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Pragmatic real-world evaluation of computer-aided detection in colonoscopy: A within-endoscopist comparative study

Journal
Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver (Q1)
Published
13 August 2026
Study design
Cohort / observational study
Evidence level
Level 3, Low (CEBM 3b)
Authors
Carlos Bernardes, Manuel Rocha, Jaime Rodrigues, Pedro Bastos, Raquel Ortigão, Ricardo Veloso, et al.
PMID
42595629
DOI
10.1016/j.dld.2026.07.083

Why clinicians should know about it

  • Picked for Gastroenterology (paper of the day, 16 August 2026): Pragmatic real-world CADe colonoscopy improves ADR

Abstract

BACKGROUND: Computer-aided detection (CADe) improves adenoma detection rate (ADR) in randomised trials; however, translation into routine practice remains uncertain, with real-world studies showing inconsistent results. AIMS: To evaluate CADe in a pragmatic multicentre setting using a within-endoscopist design, with endoscopists serving as their own comparators under routine clinical conditions. METHODS: Pragmatic multicentre observational study analysing prospectively recorded data from 13 units. Six endoscopists performed procedures in a unit with routine CADe use and in units without CADe, enabling within-operator comparisons under naturalistic conditions. The primary outcome was ADR. Secondary outcomes included combined adenoma plus clinically significant serrated polyp detection rate (A+CSSPDR) and additional polyp-related metrics. RESULTS: Of 3161 colonoscopies, 2973 were analysed (947 CADe; 2026 non-CADe). ADR was higher with CADe (34.4%vs 30.7%; p = 0.042). A+CSSPDR was also higher (40.3%vs 35.8%; p = 0.018), with consistent improvements across other metrics. In multivariable analysis, CADe remained independently associated with higher ADR (aOR 1.31, 95%CI 1.11-1.55; p = 0.002) and A+CSSPDR (aOR 1.33, 95%CI 1.13-1.56; p = 0.001), with attenuation after adjustment for endoscopist. CONCLUSION: In a pragmatic real-world setting, CADe improved detection of colorectal neoplasia. This within-endoscopist design provides a balanced estimate of effectiveness by minimising behavioural bias affecting both trial and real-world studies.

Abstract as published, via PubMed.

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For healthcare professionals. The summary is generated by AI from the published abstract, and the evidence level is assigned automatically from the study design on the Oxford CEBM hierarchy. Neither is medical advice. Read the full paper before changing practice.