Disentangling true inspection time from therapeutic intervals: Validation of effective withdrawal time as a colonoscopy quality metric

doi:10.3748/wjg.121527

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Nov 7, 2026; 32(41): 121527
Published online Nov 7, 2026. doi: 10.3748/wjg.121527

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Figure 5 Subgroup analyses of adjusted adenoma detection rate across withdrawal times. A: Adjusted adenoma detection rate (ADR) plotted against effective withdrawal time (EWT) stratified by polyp number; B: Adjusted ADR plotted against standard withdrawal time (SWT) stratified by polyp number; C: Adjusted ADR plotted against EWT stratified by physician seniority; D: Adjusted ADR plotted against SWT stratified by physician seniority; E: Adjusted ADR plotted against EWT stratified by bowel preparation quality; F: Adjusted ADR plotted against SWT stratified by bowel preparation quality. The smooth curves represent the adjusted ADR (left Y-axis), while the background bar histograms indicate the number of procedures (right Y-axis). ADR was adjusted for age, sex, Boston Bowel Preparation Scale, and endoscopist experience. ADR: Adenoma detection rate; BBPS: Boston Bowel Preparation Scale.

Citation: Peng ZY, Li JX, Huang Y, Wang XY, An Q, Yin ZY, Li YR, Sun JY, Wang YW, Yang X, Zhang Q, Wang XM, Zhang SY, Pei ZC. Disentangling true inspection time from therapeutic intervals: Validation of effective withdrawal time as a colonoscopy quality metric. World J Gastroenterol 2026; 32(41): 121527
URL: https://www.wjgnet.com/1007-9327/full/v32/i41/121527.htm
DOI: https://dx.doi.org/10.3748/wjg.121527

Peng ZY, Li JX, Huang Y, Wang XY, An Q, Yin ZY, Li YR, Sun JY, Wang YW, Yang X, Zhang Q, Wang XM, Zhang SY, Pei ZC. Disentangling true inspection time from therapeutic intervals: Validation of effective withdrawal time as a colonoscopy quality metric. World J Gastroenterol 2026; 32(41): 121527 [DOI: 10.3748/wjg.121527]

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