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Related Experiment Video

Updated: Jun 7, 2026

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists

Published on: July 11, 2025

Polypectomy rate as a quality measure for colonoscopy.

Jason E Williams¹, Thienluong Domi Le, Douglas O Faigel

¹Division of Gastroenterology, Oregon Health and Science University, Portland, Oregon, USA.

Gastrointestinal Endoscopy

|October 26, 2010

Summary

Polypectomy rates (PRs) strongly correlate with adenoma detection rates (ADRs) in colonoscopies. Achieving benchmark PRs is linked to higher ADRs, suggesting PRs are a valuable quality indicator.

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Area of Science:

Gastroenterology
Endoscopy Quality Improvement

Background:

Adenoma detection rate (ADR) is a key colonoscopy quality indicator.
ADR calculation is complex and not immediately available.
Alternative quality metrics are needed.

Purpose of the Study:

To assess the correlation between endoscopists' polypectomy rates (PRs) and their ADRs.
To establish benchmark PRs corresponding to benchmark ADRs.

Main Methods:

Retrospective analysis of 2706 average-risk screening colonoscopies.
Data collected from University and Veterans Affairs endoscopy units.
Correlation analysis between ADRs and PRs for 15 endoscopists.

Main Results:

Endoscopists' PRs showed a strong correlation with their ADRs (r(s) = 0.86, P < .001).
Benchmark ADRs for men (25%) and women (15%) required PRs of 40% and 30%, respectively.
Achieving benchmark PRs was associated with significantly higher ADRs in both men and women.

Conclusions:

Polypectomy rate (PR) is a practical and reliable quality measure for colonoscopy.
PRs demonstrate a high correlation with ADRs, serving as a valuable proxy.
Findings suggest PRs can be used to monitor and improve colonoscopy quality.