Effect of Colonoscopy Volume on Quality Indicators

Area of Science:

• Gastroenterology
• Medical Quality Improvement

Background:

• Colonoscopy is a key procedure for colorectal cancer screening and diagnosis.
• Assessing colonoscopy quality indicators is crucial for patient outcomes.
• Endoscopist experience, measured by annual case volume, may influence procedural quality.

Purpose of the Study:

• To investigate the association between endoscopist annual case volume and colonoscopy quality.
• To determine if higher case volumes correlate with improved colonoscopy completion rates (CCR) and adenoma detection rates (ADR).

Main Methods:

• Retrospective cohort study of 3235 colonoscopies performed between January and June 2012.
• Endoscopists categorized into quintiles based on annual case volume.
• Univariate and multivariable logistic regression analyses to identify predictors of CCR and ADR.

Main Results:

• Significant differences in CCR (p < 0.001) and ADR (p < 0.001) were observed across annual volume quintiles.
• Higher annual colonoscopy volume was an independent predictor of successful colonoscopy completion.
• Gastroenterology specialty, older age, male sex, screening/surveillance indication, and low ASA score predicted adenoma detection.

Conclusions:

• Increased annual case volume is associated with enhanced colonoscopy completion quality.
• Gastroenterology specialty is a more significant predictor of adenoma detection rates compared to annual case volume.