Agreement between original and Rasch-approved neck disability index

Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Lu, Ze [verfasserIn] MacDermid, Joy C. [verfasserIn] Nazari, Goris [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Neck pain Outcome measure Agreement analysis Bland-Altman Rasch analysis

Übergeordnetes Werk:	Enthalten in: BMC medical research methodology - London : BioMed Central, 2001, 20(2020), 1 vom: 03. Juli
Übergeordnetes Werk:	volume:20 ; year:2020 ; number:1 ; day:03 ; month:07

Links:	Volltext

DOI / URN:	10.1186/s12874-020-01069-w

Katalog-ID:	SPR040232379

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520			\|a Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably.
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allfields	10.1186/s12874-020-01069-w doi (DE-627)SPR040232379 (SPR)s12874-020-01069-w-e DE-627 ger DE-627 rakwb eng 610 ASE 44.00 bkl Lu, Ze verfasserin aut Agreement between original and Rasch-approved neck disability index 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably. Neck pain (dpeaa)DE-He213 Outcome measure (dpeaa)DE-He213 Agreement analysis (dpeaa)DE-He213 Bland-Altman (dpeaa)DE-He213 Rasch analysis (dpeaa)DE-He213 MacDermid, Joy C. verfasserin aut Nazari, Goris verfasserin aut Enthalten in BMC medical research methodology London : BioMed Central, 2001 20(2020), 1 vom: 03. Juli (DE-627)326643818 (DE-600)2041362-2 1471-2288 nnns volume:20 year:2020 number:1 day:03 month:07 https://dx.doi.org/10.1186/s12874-020-01069-w kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 44.00 ASE AR 20 2020 1 03 07
spelling	10.1186/s12874-020-01069-w doi (DE-627)SPR040232379 (SPR)s12874-020-01069-w-e DE-627 ger DE-627 rakwb eng 610 ASE 44.00 bkl Lu, Ze verfasserin aut Agreement between original and Rasch-approved neck disability index 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably. Neck pain (dpeaa)DE-He213 Outcome measure (dpeaa)DE-He213 Agreement analysis (dpeaa)DE-He213 Bland-Altman (dpeaa)DE-He213 Rasch analysis (dpeaa)DE-He213 MacDermid, Joy C. verfasserin aut Nazari, Goris verfasserin aut Enthalten in BMC medical research methodology London : BioMed Central, 2001 20(2020), 1 vom: 03. Juli (DE-627)326643818 (DE-600)2041362-2 1471-2288 nnns volume:20 year:2020 number:1 day:03 month:07 https://dx.doi.org/10.1186/s12874-020-01069-w kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 44.00 ASE AR 20 2020 1 03 07
allfields_unstemmed	10.1186/s12874-020-01069-w doi (DE-627)SPR040232379 (SPR)s12874-020-01069-w-e DE-627 ger DE-627 rakwb eng 610 ASE 44.00 bkl Lu, Ze verfasserin aut Agreement between original and Rasch-approved neck disability index 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably. Neck pain (dpeaa)DE-He213 Outcome measure (dpeaa)DE-He213 Agreement analysis (dpeaa)DE-He213 Bland-Altman (dpeaa)DE-He213 Rasch analysis (dpeaa)DE-He213 MacDermid, Joy C. verfasserin aut Nazari, Goris verfasserin aut Enthalten in BMC medical research methodology London : BioMed Central, 2001 20(2020), 1 vom: 03. Juli (DE-627)326643818 (DE-600)2041362-2 1471-2288 nnns volume:20 year:2020 number:1 day:03 month:07 https://dx.doi.org/10.1186/s12874-020-01069-w kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 44.00 ASE AR 20 2020 1 03 07
allfieldsGer	10.1186/s12874-020-01069-w doi (DE-627)SPR040232379 (SPR)s12874-020-01069-w-e DE-627 ger DE-627 rakwb eng 610 ASE 44.00 bkl Lu, Ze verfasserin aut Agreement between original and Rasch-approved neck disability index 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably. Neck pain (dpeaa)DE-He213 Outcome measure (dpeaa)DE-He213 Agreement analysis (dpeaa)DE-He213 Bland-Altman (dpeaa)DE-He213 Rasch analysis (dpeaa)DE-He213 MacDermid, Joy C. verfasserin aut Nazari, Goris verfasserin aut Enthalten in BMC medical research methodology London : BioMed Central, 2001 20(2020), 1 vom: 03. Juli (DE-627)326643818 (DE-600)2041362-2 1471-2288 nnns volume:20 year:2020 number:1 day:03 month:07 https://dx.doi.org/10.1186/s12874-020-01069-w kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 44.00 ASE AR 20 2020 1 03 07
allfieldsSound	10.1186/s12874-020-01069-w doi (DE-627)SPR040232379 (SPR)s12874-020-01069-w-e DE-627 ger DE-627 rakwb eng 610 ASE 44.00 bkl Lu, Ze verfasserin aut Agreement between original and Rasch-approved neck disability index 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably. Neck pain (dpeaa)DE-He213 Outcome measure (dpeaa)DE-He213 Agreement analysis (dpeaa)DE-He213 Bland-Altman (dpeaa)DE-He213 Rasch analysis (dpeaa)DE-He213 MacDermid, Joy C. verfasserin aut Nazari, Goris verfasserin aut Enthalten in BMC medical research methodology London : BioMed Central, 2001 20(2020), 1 vom: 03. Juli (DE-627)326643818 (DE-600)2041362-2 1471-2288 nnns volume:20 year:2020 number:1 day:03 month:07 https://dx.doi.org/10.1186/s12874-020-01069-w kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 44.00 ASE AR 20 2020 1 03 07
language	English
source	Enthalten in BMC medical research methodology 20(2020), 1 vom: 03. Juli volume:20 year:2020 number:1 day:03 month:07
sourceStr	Enthalten in BMC medical research methodology 20(2020), 1 vom: 03. Juli volume:20 year:2020 number:1 day:03 month:07
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Neck pain Outcome measure Agreement analysis Bland-Altman Rasch analysis
dewey-raw	610
isfreeaccess_bool	true
container_title	BMC medical research methodology
authorswithroles_txt_mv	Lu, Ze @@aut@@ MacDermid, Joy C. @@aut@@ Nazari, Goris @@aut@@
publishDateDaySort_date	2020-07-03T00:00:00Z
hierarchy_top_id	326643818
dewey-sort	3610
id	SPR040232379
language_de	englisch
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Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. 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author	Lu, Ze
spellingShingle	Lu, Ze ddc 610 bkl 44.00 misc Neck pain misc Outcome measure misc Agreement analysis misc Bland-Altman misc Rasch analysis Agreement between original and Rasch-approved neck disability index
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topic_title	610 ASE 44.00 bkl Agreement between original and Rasch-approved neck disability index Neck pain (dpeaa)DE-He213 Outcome measure (dpeaa)DE-He213 Agreement analysis (dpeaa)DE-He213 Bland-Altman (dpeaa)DE-He213 Rasch analysis (dpeaa)DE-He213
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title	Agreement between original and Rasch-approved neck disability index
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title_full	Agreement between original and Rasch-approved neck disability index
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title_sort	agreement between original and rasch-approved neck disability index
title_auth	Agreement between original and Rasch-approved neck disability index
abstract	Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably.
abstractGer	Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably.
abstract_unstemmed	Background Given the high prevalence of neck pain, the neck disability index (NDI) has been used to evaluate patient status and treatment outcomes. Modified versions were proposed as solutions to measurement deficits in the NDI. However, the original 10-item NDI was scored out of 50 and is still the most frequently administered version. Examining the extent of agreement between traditional and Rasch-based versions using Bland-Altman (B&A) plots will inform our understanding of score differences that might rise from using different versions. Therefore, the objective of current study was to describe the extent of agreement between different versions of NDI. Methods The current study was a secondary data analysis. The study data was compiled from two prospectively collected data sources. We performed a comprehensive literature search to identify Rasch approved NDI within four databases including Embase, Medline, PubMed, and Google Scholar. Alternate forms and scorings were compared to each other and to the standard NDI. We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. They both provide scores that are substantially different from the ordinal NDI, which does not provide interval level scoring. Smaller differences between the two Rasch solutions exist and may relate to the items included. Due to the size and unpredictable nature of the bias between measures, they should not be used interchangeably.
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title_short	Agreement between original and Rasch-approved neck disability index
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We graphed B&A plots and calculated the mean difference and the 95% limits of agreement (LoA; ±1.96 times the standard deviation). Results Two Rasch approved alternative versions (8 vs 5 items) were identified from 303 screened publications. We analyzed data from 201 (43 males and 158 females) patients attending community clinics for neck pain. We found that the mean difference was approximately 10% of the total score between the 10-item and 5-item (− 4.6 points), whereas the 10-item versus 8-item and 8-item versus 5-item had smaller mean differences (− 2.3 points). The B&A plots displayed wider 95% LoA for the agreement between 10-item and 8-item (LoA: − 12.0, 7.4) and 5-item (LoA: − 14.9, 5.8) compared with the LoA for the 8-item and 5-item (LoA: − 7.8, 3.3). Conclusion Two Rasch-based NDI solutions (8 vs 5 items) which differ in number of items and conceptual construction are available to provide interval level scoring. 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