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Variation in post-colonoscopy colorectal cancer across colonoscopy providers in English National Health Service: population based cohort study

Lookup NU author(s): Professor Matt Rutter

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Abstract

Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions. OBJECTIVES: To quantify post-colonoscopy colorectal cancer (PCCRC) rates in England by using recent World Endoscopy Organisation guidelines, compare incidence among colonoscopy providers, and explore associated factors that could benefit from quality improvement initiatives. DESIGN: Population based cohort study. SETTING: National Health Service in England between 2005 and 2013. POPULATION: All people undergoing colonoscopy and subsequently diagnosed as having colorectal cancer up to three years after their investigation (PCCRC-3yr). MAIN OUTCOME MEASURES: National trends in incidence of PCCRC (within 6-36 months of colonoscopy), univariable and multivariable analyses to explore factors associated with occurrence, and funnel plots to measure variation among providers. RESULTS: The overall unadjusted PCCRC-3yr rate was 7.4% (9317/126 152), which decreased from 9.0% in 2005 to 6.5% in 2013 (P<0.01). Rates were lower for colonoscopies performed under the NHS bowel cancer screening programme (593/16 640, 3.6%), while they were higher for those conducted by non-NHS providers (187/2009, 9.3%). Rates were higher in women, in older age groups, and in people with inflammatory bowel disease or diverticular disease, in those with higher comorbidity scores, and in people with previous cancers. Substantial variation in rates among colonoscopy providers remained after adjustment for case mix. CONCLUSIONS: Wide variation exists in PCCRC-3yr rates across NHS colonoscopy providers in England. The lowest incidence was seen in colonoscopies performed under the NHS bowel cancer screening programme. Quality improvement initiatives are needed to address this variation in rates and prevent colorectal cancer by enabling earlier diagnosis, removing premalignant polyps, and therefore improving outcomes.


Publication metadata

Author(s): Burr NE, Derbyshire E, Taylor J, Whalley S, Subramanian V, Finan PJ, Rutter MD, Valori R, Morris EJA

Publication type: Article

Publication status: Published

Journal: BMJ

Year: 2019

Volume: 367

Online publication date: 13/11/2019

Acceptance date: 01/10/2019

ISSN (print): 0959-535X

ISSN (electronic): 1756-1833

Publisher: BMJ Group

URL: https://doi.org/10.1136/bmj.l6090

DOI: 10.1136/bmj.l6090

PubMed id: 31722875


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