Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies
Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale,...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
von Wendt, Gunvor [verfasserIn] Summanen, Paula [verfasserIn] Hallnäs, Kerstin [verfasserIn] Algvere, Peep [verfasserIn] Heikkilä, Kauko [verfasserIn] Seregard, Stefan [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2004 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Graefe's archive for clinical and experimental ophthalmology - Berlin : Springer, 1854, 243(2004), 5 vom: 30. Nov., Seite 427-432 |
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| Übergeordnetes Werk: |
volume:243 ; year:2004 ; number:5 ; day:30 ; month:11 ; pages:427-432 |
| Links: |
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| DOI / URN: |
10.1007/s00417-004-1068-7 |
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| Katalog-ID: |
SPR005396719 |
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| 245 | 1 | 0 | |a Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies |
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| 520 | |a Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. | ||
| 650 | 4 | |a Diabetic Retinopathy |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Weighted Kappa |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Hard Exudate |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Photographic Material |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Nonproliferative Diabetic Retinopathy |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Summanen, Paula |e verfasserin |4 aut | |
| 700 | 1 | |a Hallnäs, Kerstin |e verfasserin |4 aut | |
| 700 | 1 | |a Algvere, Peep |e verfasserin |4 aut | |
| 700 | 1 | |a Heikkilä, Kauko |e verfasserin |4 aut | |
| 700 | 1 | |a Seregard, Stefan |e verfasserin |4 aut | |
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2004 |
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10.1007/s00417-004-1068-7 doi (DE-627)SPR005396719 (SPR)s00417-004-1068-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.95 bkl von Wendt, Gunvor verfasserin aut Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. Diabetic Retinopathy (dpeaa)DE-He213 Weighted Kappa (dpeaa)DE-He213 Hard Exudate (dpeaa)DE-He213 Photographic Material (dpeaa)DE-He213 Nonproliferative Diabetic Retinopathy (dpeaa)DE-He213 Summanen, Paula verfasserin aut Hallnäs, Kerstin verfasserin aut Algvere, Peep verfasserin aut Heikkilä, Kauko verfasserin aut Seregard, Stefan verfasserin aut Enthalten in Graefe's archive for clinical and experimental ophthalmology Berlin : Springer, 1854 243(2004), 5 vom: 30. Nov., Seite 427-432 (DE-627)253723728 (DE-600)1459159-5 1435-702X nnns volume:243 year:2004 number:5 day:30 month:11 pages:427-432 https://dx.doi.org/10.1007/s00417-004-1068-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.95 ASE AR 243 2004 5 30 11 427-432 |
| spelling |
10.1007/s00417-004-1068-7 doi (DE-627)SPR005396719 (SPR)s00417-004-1068-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.95 bkl von Wendt, Gunvor verfasserin aut Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. Diabetic Retinopathy (dpeaa)DE-He213 Weighted Kappa (dpeaa)DE-He213 Hard Exudate (dpeaa)DE-He213 Photographic Material (dpeaa)DE-He213 Nonproliferative Diabetic Retinopathy (dpeaa)DE-He213 Summanen, Paula verfasserin aut Hallnäs, Kerstin verfasserin aut Algvere, Peep verfasserin aut Heikkilä, Kauko verfasserin aut Seregard, Stefan verfasserin aut Enthalten in Graefe's archive for clinical and experimental ophthalmology Berlin : Springer, 1854 243(2004), 5 vom: 30. Nov., Seite 427-432 (DE-627)253723728 (DE-600)1459159-5 1435-702X nnns volume:243 year:2004 number:5 day:30 month:11 pages:427-432 https://dx.doi.org/10.1007/s00417-004-1068-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.95 ASE AR 243 2004 5 30 11 427-432 |
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10.1007/s00417-004-1068-7 doi (DE-627)SPR005396719 (SPR)s00417-004-1068-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.95 bkl von Wendt, Gunvor verfasserin aut Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. Diabetic Retinopathy (dpeaa)DE-He213 Weighted Kappa (dpeaa)DE-He213 Hard Exudate (dpeaa)DE-He213 Photographic Material (dpeaa)DE-He213 Nonproliferative Diabetic Retinopathy (dpeaa)DE-He213 Summanen, Paula verfasserin aut Hallnäs, Kerstin verfasserin aut Algvere, Peep verfasserin aut Heikkilä, Kauko verfasserin aut Seregard, Stefan verfasserin aut Enthalten in Graefe's archive for clinical and experimental ophthalmology Berlin : Springer, 1854 243(2004), 5 vom: 30. Nov., Seite 427-432 (DE-627)253723728 (DE-600)1459159-5 1435-702X nnns volume:243 year:2004 number:5 day:30 month:11 pages:427-432 https://dx.doi.org/10.1007/s00417-004-1068-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.95 ASE AR 243 2004 5 30 11 427-432 |
| allfieldsGer |
10.1007/s00417-004-1068-7 doi (DE-627)SPR005396719 (SPR)s00417-004-1068-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.95 bkl von Wendt, Gunvor verfasserin aut Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. Diabetic Retinopathy (dpeaa)DE-He213 Weighted Kappa (dpeaa)DE-He213 Hard Exudate (dpeaa)DE-He213 Photographic Material (dpeaa)DE-He213 Nonproliferative Diabetic Retinopathy (dpeaa)DE-He213 Summanen, Paula verfasserin aut Hallnäs, Kerstin verfasserin aut Algvere, Peep verfasserin aut Heikkilä, Kauko verfasserin aut Seregard, Stefan verfasserin aut Enthalten in Graefe's archive for clinical and experimental ophthalmology Berlin : Springer, 1854 243(2004), 5 vom: 30. Nov., Seite 427-432 (DE-627)253723728 (DE-600)1459159-5 1435-702X nnns volume:243 year:2004 number:5 day:30 month:11 pages:427-432 https://dx.doi.org/10.1007/s00417-004-1068-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.95 ASE AR 243 2004 5 30 11 427-432 |
| allfieldsSound |
10.1007/s00417-004-1068-7 doi (DE-627)SPR005396719 (SPR)s00417-004-1068-7-e DE-627 ger DE-627 rakwb eng 610 ASE 44.95 bkl von Wendt, Gunvor verfasserin aut Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies 2004 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. Diabetic Retinopathy (dpeaa)DE-He213 Weighted Kappa (dpeaa)DE-He213 Hard Exudate (dpeaa)DE-He213 Photographic Material (dpeaa)DE-He213 Nonproliferative Diabetic Retinopathy (dpeaa)DE-He213 Summanen, Paula verfasserin aut Hallnäs, Kerstin verfasserin aut Algvere, Peep verfasserin aut Heikkilä, Kauko verfasserin aut Seregard, Stefan verfasserin aut Enthalten in Graefe's archive for clinical and experimental ophthalmology Berlin : Springer, 1854 243(2004), 5 vom: 30. Nov., Seite 427-432 (DE-627)253723728 (DE-600)1459159-5 1435-702X nnns volume:243 year:2004 number:5 day:30 month:11 pages:427-432 https://dx.doi.org/10.1007/s00417-004-1068-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_711 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.95 ASE AR 243 2004 5 30 11 427-432 |
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English |
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Enthalten in Graefe's archive for clinical and experimental ophthalmology 243(2004), 5 vom: 30. Nov., Seite 427-432 volume:243 year:2004 number:5 day:30 month:11 pages:427-432 |
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Diabetic Retinopathy Weighted Kappa Hard Exudate Photographic Material Nonproliferative Diabetic Retinopathy |
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von Wendt, Gunvor @@aut@@ Summanen, Paula @@aut@@ Hallnäs, Kerstin @@aut@@ Algvere, Peep @@aut@@ Heikkilä, Kauko @@aut@@ Seregard, Stefan @@aut@@ |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR005396719</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230520005245.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201001s2004 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s00417-004-1068-7</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR005396719</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s00417-004-1068-7-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">610</subfield><subfield code="q">ASE</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">44.95</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">von Wendt, Gunvor</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2004</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). 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von Wendt, Gunvor |
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von Wendt, Gunvor ddc 610 bkl 44.95 misc Diabetic Retinopathy misc Weighted Kappa misc Hard Exudate misc Photographic Material misc Nonproliferative Diabetic Retinopathy Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies |
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610 ASE 44.95 bkl Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies Diabetic Retinopathy (dpeaa)DE-He213 Weighted Kappa (dpeaa)DE-He213 Hard Exudate (dpeaa)DE-He213 Photographic Material (dpeaa)DE-He213 Nonproliferative Diabetic Retinopathy (dpeaa)DE-He213 |
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ddc 610 bkl 44.95 misc Diabetic Retinopathy misc Weighted Kappa misc Hard Exudate misc Photographic Material misc Nonproliferative Diabetic Retinopathy |
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Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies |
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Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies |
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von Wendt, Gunvor Summanen, Paula Hallnäs, Kerstin Algvere, Peep Heikkilä, Kauko Seregard, Stefan |
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Elektronische Aufsätze |
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von Wendt, Gunvor |
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10.1007/s00417-004-1068-7 |
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detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies |
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Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies |
| abstract |
Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. |
| abstractGer |
Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. |
| abstract_unstemmed |
Background The aim of this study was to compare how diabetic retinopathy was detected from red-free digital images and colour transparencies. Methods Two ophthalmologists graded two-field, nonstereoscopic, 60° red-free digital images and colour transparencies utilizing an ETDRS-based grading scale, from 107 mainly type 2 diabetic patients. The discordantly scored eyes were graded by the graders together to obtain a consensus level of retinopathy for each method. The eyes with discordant consensus grading results were further graded using all available photographic material to reach a final consensus level of diabetic retinopathy. Intermethod variations were presented as percentages and using kappa (k) and weighted kappa (wk) statistics. The errors of the two consensus gradings with respect to the final consensus grading were compared using McNemar’s test. Results For the colour transparencies there was an agreement between the individual and the consensus grading results in 93% (k=0.90, wk=0.97) and 86% (k=0.79, wk 0.88) for grader 1 and grader 2. Corresponding figures for red-free digital images were 88% (k=0.83, wk=0.96) and 84% (k=0.78, wk 0.91). Agreement between methods was obtained in 76/107 eyes (71%; k=0.58 and wk=0.79). In the 31 discordantly graded eyes the level of retinopathy was underestimated in 20/31 (64%) vs 7/31 eyes (23%) and overestimated in 1/31 (3%) vs 3/31 eyes (10%) from colour transparencies and red-free digital images, respectively. The error tendencies were significantly lower when using red-free digital images (p<0.008). Conclusions Red-free digital images are comparable with two-field colour transparencies in the identification of mild to moderate nonproliferative diabetic retinopathy. |
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Detection of diabetic retinopathy: a comparison between red-free digital images and colour transparencies |
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https://dx.doi.org/10.1007/s00417-004-1068-7 |
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Summanen, Paula Hallnäs, Kerstin Algvere, Peep Heikkilä, Kauko Seregard, Stefan |
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| score |
7.3964148 |