Comparison of cecal intubation and adenoma detection between hospitals can provide incentives to improve quality of colonoscopy

Tim D.G. Belderbos*, Elisabeth J. Grobbee, Martijn G.H. Van Oijen, Maarten A.C. Meijssen, Rob J.T. Ouwendijk, Thjon J. Tang, Frank Ter Borg, Peter Van Der Schaar, Doris M. Le Fèvre, Merijn T. Stouten, Onno Van Der Galiën, Theo J. Hiemstra, Wouter H. De Vos Tot Nederveen Cappel, Pieter C.J. Ter Borg, Manon C.W. Spaander, Leon M.G. Moons, Ernst J. Kuipers, Peter D. Siersema

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Background and study aims: Cecal intubation rate (CIR) and adenoma detection rate (ADR) have been found to be inversely associated with the occurrence of post-colonoscopy colorectal cancer. Depicting differences in CIR and ADR between hospitals could provide incentives for quality improvement. The aim of this study was to compare quality parameters of routine colonoscopies between seven hospitals in The Netherlands in order to determine the extent to which possible differences were attributable to procedural and institutional factors. Patients and methods: Consecutive patients undergoing colonoscopy were prospectively included between November 2012 and January 2013at two academic and five nonacademic hospitals. Patients with inflammatory bowel disease or hereditary colorectal cancer syndromes were excluded. Main outcome measures were CIR and ADR. Results: A total of 3129 patients were included (mean age 59±15 years; 45.5 male). The majority of patients (86.2) had a Boston Bowel Preparation Scale (BBPS) score ≥6. Overall CIR was 94.8, ranging from 89.4 to 99.2 between hospitals. After adjustment for case mix (age, sex, American Society of Anesthesiologists score, and indication for colonoscopy), factors associated with CIR were hospital and a BBPS score ≥6.Overall ADR was 31.8 and varied between hospitals, ranging from 24.8 to 46.8. Independent predictors for ADR were hospital, BBPS score ≥6, and cecal intubation. By combining CIR and ADR for each hospital, a colonoscopy quality indicator (CQI) was developed, which can be used by hospitals to stimulate quality improvement. Conclusion: Differences in the quality of colonoscopy between hospitals can be demonstrated using CIR and ADR. As both indicators are affected by institution and bowel preparation, a comparison between hospitals based on the newly developed CQI could assist in further improving the quality of colonoscopy.

Original languageEnglish
Pages (from-to)703-709
Number of pages7
JournalEndoscopy
Volume47
Issue number8
DOIs
Publication statusPublished - Aug 1 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015 Georg Thieme Verlag KG Stuttgart.York.

ASJC Scopus Subject Areas

  • Gastroenterology

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