Changing case Order to Optimise patterns of Performance in mammography Screening (CO-OPS): study protocol for a randomized controlled trial
Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the sam...
Ausführliche Beschreibung
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| Autor*in: |
Taylor-Phillips, Sian [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014 |
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| Schlagwörter: |
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| Anmerkung: |
© Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 |
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| Übergeordnetes Werk: |
Enthalten in: Trials - London : BioMed Central, 2000, 15(2014), 1 vom: 10. Jan. |
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| Übergeordnetes Werk: |
volume:15 ; year:2014 ; number:1 ; day:10 ; month:01 |
| Links: |
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| DOI / URN: |
10.1186/1745-6215-15-17 |
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| Katalog-ID: |
SPR030069378 |
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| 520 | |a Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). | ||
| 650 | 4 | |a Breast cancer |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Fatigue |7 (dpeaa)DE-He213 | |
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| 650 | 4 | |a Observer performance |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Screening |7 (dpeaa)DE-He213 | |
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| 700 | 1 | |a Szczepura, Ala |4 aut | |
| 700 | 1 | |a Gates, Simon |4 aut | |
| 700 | 1 | |a Clarke, Aileen |4 aut | |
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10.1186/1745-6215-15-17 doi (DE-627)SPR030069378 (SPR)1745-6215-15-17-e DE-627 ger DE-627 rakwb eng Taylor-Phillips, Sian verfasserin aut Changing case Order to Optimise patterns of Performance in mammography Screening (CO-OPS): study protocol for a randomized controlled trial 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). Breast cancer (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Mammography (dpeaa)DE-He213 Observer performance (dpeaa)DE-He213 Screening (dpeaa)DE-He213 Vigilance decrement (dpeaa)DE-He213 Wallis, Matthew G aut Parsons, Helen aut Dunn, Janet aut Stallard, Nigel aut Campbell, Helen aut Sellars, Sarah aut Szczepura, Ala aut Gates, Simon aut Clarke, Aileen aut Enthalten in Trials London : BioMed Central, 2000 15(2014), 1 vom: 10. Jan. (DE-627)326173552 (DE-600)2040523-6 1745-6215 nnns volume:15 year:2014 number:1 day:10 month:01 https://dx.doi.org/10.1186/1745-6215-15-17 kostenfrei 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_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_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 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 AR 15 2014 1 10 01 |
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10.1186/1745-6215-15-17 doi (DE-627)SPR030069378 (SPR)1745-6215-15-17-e DE-627 ger DE-627 rakwb eng Taylor-Phillips, Sian verfasserin aut Changing case Order to Optimise patterns of Performance in mammography Screening (CO-OPS): study protocol for a randomized controlled trial 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). Breast cancer (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Mammography (dpeaa)DE-He213 Observer performance (dpeaa)DE-He213 Screening (dpeaa)DE-He213 Vigilance decrement (dpeaa)DE-He213 Wallis, Matthew G aut Parsons, Helen aut Dunn, Janet aut Stallard, Nigel aut Campbell, Helen aut Sellars, Sarah aut Szczepura, Ala aut Gates, Simon aut Clarke, Aileen aut Enthalten in Trials London : BioMed Central, 2000 15(2014), 1 vom: 10. Jan. (DE-627)326173552 (DE-600)2040523-6 1745-6215 nnns volume:15 year:2014 number:1 day:10 month:01 https://dx.doi.org/10.1186/1745-6215-15-17 kostenfrei 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_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_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 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 AR 15 2014 1 10 01 |
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10.1186/1745-6215-15-17 doi (DE-627)SPR030069378 (SPR)1745-6215-15-17-e DE-627 ger DE-627 rakwb eng Taylor-Phillips, Sian verfasserin aut Changing case Order to Optimise patterns of Performance in mammography Screening (CO-OPS): study protocol for a randomized controlled trial 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). Breast cancer (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Mammography (dpeaa)DE-He213 Observer performance (dpeaa)DE-He213 Screening (dpeaa)DE-He213 Vigilance decrement (dpeaa)DE-He213 Wallis, Matthew G aut Parsons, Helen aut Dunn, Janet aut Stallard, Nigel aut Campbell, Helen aut Sellars, Sarah aut Szczepura, Ala aut Gates, Simon aut Clarke, Aileen aut Enthalten in Trials London : BioMed Central, 2000 15(2014), 1 vom: 10. Jan. (DE-627)326173552 (DE-600)2040523-6 1745-6215 nnns volume:15 year:2014 number:1 day:10 month:01 https://dx.doi.org/10.1186/1745-6215-15-17 kostenfrei 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_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_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 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 AR 15 2014 1 10 01 |
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10.1186/1745-6215-15-17 doi (DE-627)SPR030069378 (SPR)1745-6215-15-17-e DE-627 ger DE-627 rakwb eng Taylor-Phillips, Sian verfasserin aut Changing case Order to Optimise patterns of Performance in mammography Screening (CO-OPS): study protocol for a randomized controlled trial 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). Breast cancer (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Mammography (dpeaa)DE-He213 Observer performance (dpeaa)DE-He213 Screening (dpeaa)DE-He213 Vigilance decrement (dpeaa)DE-He213 Wallis, Matthew G aut Parsons, Helen aut Dunn, Janet aut Stallard, Nigel aut Campbell, Helen aut Sellars, Sarah aut Szczepura, Ala aut Gates, Simon aut Clarke, Aileen aut Enthalten in Trials London : BioMed Central, 2000 15(2014), 1 vom: 10. Jan. (DE-627)326173552 (DE-600)2040523-6 1745-6215 nnns volume:15 year:2014 number:1 day:10 month:01 https://dx.doi.org/10.1186/1745-6215-15-17 kostenfrei 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_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_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 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 AR 15 2014 1 10 01 |
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10.1186/1745-6215-15-17 doi (DE-627)SPR030069378 (SPR)1745-6215-15-17-e DE-627 ger DE-627 rakwb eng Taylor-Phillips, Sian verfasserin aut Changing case Order to Optimise patterns of Performance in mammography Screening (CO-OPS): study protocol for a randomized controlled trial 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). Breast cancer (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Mammography (dpeaa)DE-He213 Observer performance (dpeaa)DE-He213 Screening (dpeaa)DE-He213 Vigilance decrement (dpeaa)DE-He213 Wallis, Matthew G aut Parsons, Helen aut Dunn, Janet aut Stallard, Nigel aut Campbell, Helen aut Sellars, Sarah aut Szczepura, Ala aut Gates, Simon aut Clarke, Aileen aut Enthalten in Trials London : BioMed Central, 2000 15(2014), 1 vom: 10. Jan. (DE-627)326173552 (DE-600)2040523-6 1745-6215 nnns volume:15 year:2014 number:1 day:10 month:01 https://dx.doi.org/10.1186/1745-6215-15-17 kostenfrei 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_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_2003 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 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 AR 15 2014 1 10 01 |
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Changing case Order to Optimise patterns of Performance in mammography Screening (CO-OPS): study protocol for a randomized controlled trial |
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Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). © Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 |
| abstractGer |
Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). © Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 |
| abstract_unstemmed |
Background X-ray mammography remains the predominant test for screening for breast cancer, with the aim of reducing breast cancer mortality. In the English NHS Breast Screening Programme each woman’s mammograms are examined separately by two expert readers. The two readers read each batch in the same order and each indicates if there should be recall for further tests. This is a highly skilled, pressurised, repetitive and frequently intellectually unchallenging activity where readers examine one or more batches of 30–50 women’s mammograms in each session. A vigilance decrement or performance decrease over time has been observed in similar repetitive visual tasks such as radar operation. Methods/Design The CO-OPS study is a pragmatic, multi-centre, two-arm, double blind cluster randomised controlled trial of a computer software intervention designed to reduce the effects of a vigilance decrement in breast cancer screening. The unit of randomisation is the batch. Intervention batches will be examined in the opposite order by the two readers (one forwards, one backwards). Control batches will be read in the same order as one another, as is current standard practice. The hypothesis is that cancer detection rates will be higher in the intervention group because each readers’ peak performance will occur when examining different women’s mammograms. The trial will take place in 44 English breast screening centres for 1 year and 4 months. The primary outcome is cancer detection rate, which will be extracted from computer records after 1 year of the trial. The secondary outcomes include rate of disagreement between readers (a more statistically powerful surrogate for cancer detection rate), recall rate, positive predictive value, and interval cancer rate (cancers found between screening rounds which will be measured three years after the end of the trial). Discussion This is the first trial of an intervention to ameliorate a vigilance decrement in breast cancer screening. Trial registration ISRCTN46603370 (submitted: 24 October 2012, date of registration: 26 March 2013). © Taylor-Phillips et al.; licensee BioMed Central Ltd. 2014 |
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| title_short |
Changing case Order to Optimise patterns of Performance in mammography Screening (CO-OPS): study protocol for a randomized controlled trial |
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https://dx.doi.org/10.1186/1745-6215-15-17 |
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| author2 |
Wallis, Matthew G Parsons, Helen Dunn, Janet Stallard, Nigel Campbell, Helen Sellars, Sarah Szczepura, Ala Gates, Simon Clarke, Aileen |
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Wallis, Matthew G Parsons, Helen Dunn, Janet Stallard, Nigel Campbell, Helen Sellars, Sarah Szczepura, Ala Gates, Simon Clarke, Aileen |
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