Is there a “weekend effect” in adenoma detection rate?A single-center retrospective study

Baorang Cai, Bijuan Lin, Conghua Song, Zhizhong Lu, Xinxiang Huang, Dongsheng Chen, Dongdong Lv, Huifeng Wu, Lijuan Zheng, Yuxiang Wang, Chenxing Jian and Chao Zhong Huang

PLOS ONE, 2026, vol. 21, issue 4, 1-15

Abstract: Background: The “weekend effect”—inferior patient outcomes on weekends—has been reported across healthcare. Its impact on colonoscopy quality, particularly the adenoma detection rate (ADR), a key predictor of colorectal cancer risk, has not been fully established. This study investigated whether a weekend effect exists for ADR in a large cohort and analyzed potential contributing factors. Methods: This single-center retrospective study included consecutive patients undergoing colonoscopy from January 2022 to December 2023. Patients were categorized into Weekend (Saturday/Sunday) and Weekday (Monday-Friday) groups. The primary outcome was ADR (proportion with ≥1 adenoma). Data on demographics, withdrawal time, Boston Bowel Preparation Scale (BBPS), and endoscopist experience (Junior

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0345613

DOI: 10.1371/journal.pone.0345613

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