Risk factors for inadequate bowel preparation: A retrospective study of 7931 paired colonoscopy cases with a predictive model

doi:10.4253/wjge.122582

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World Journal of Gastrointestinal Endoscopy

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1948-5190

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

Retrospective Study

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 Gastrointest Endosc. Jul 16, 2026; 18(7): 122582
Published online Jul 16, 2026. doi: 10.4253/wjge.122582

Table 1 Baseline characteristics of the study population, n (%)

Sample size	7931
Age (years)	56.9 ± 13.0
Male sex	4127 (52.0)
Afternoon examination	4377 (55.2)
Hypertension	750 (9.5)
Diabetes mellitus	464 (5.9)
Constipation	96 (1.2)
Prior inadequate preparation	2107 (26.6)
Inpatients	4545 (57.3)

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Citation: Xiong HB, Cao QX, Deng W, Zhou HG, Lai XT, Zhang QQ, Li J. Risk factors for inadequate bowel preparation: A retrospective study of 7931 paired colonoscopy cases with a predictive model. World J Gastrointest Endosc 2026; 18(7): 122582
URL: https://www.wjgnet.com/1948-5190/full/v18/i7/122582.htm
DOI: https://dx.doi.org/10.4253/wjge.122582

Xiong HB, Cao QX, Deng W, Zhou HG, Lai XT, Zhang QQ, Li J. Risk factors for inadequate bowel preparation: A retrospective study of 7931 paired colonoscopy cases with a predictive model. World J Gastrointest Endosc 2026; 18(7): 122582 [DOI: 10.4253/wjge.122582]

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