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. 2022 May 1;117(5):806-808.
doi: 10.14309/ajg.0000000000001684. Epub 2022 Feb 15.

Adenoma Detection Rates in 45-49-Year-Old Persons Undergoing Screening Colonoscopy: Analysis From the GIQuIC Registry

Mohammad Bilal  1 , Jennifer Holub  2 , David Greenwald  3 , Mark B Pochapin  4 , Douglas K Rex  5 , Aasma Shaukat  4
Affiliations

Adenoma Detection Rates in 45-49-Year-Old Persons Undergoing Screening Colonoscopy: Analysis From the GIQuIC Registry

Mohammad Bilal et al. Am J Gastroenterol. .

Abstract

Introduction: The impact of lowering the colon cancer screening age from 50 to 45 years on the endoscopist adenoma detection rate (ADR) is not well studied.

Methods: We used average-risk screening colonoscopies submitted to the GI Quality Improvement Consortium registry from 2014 to 2020 among individuals aged 45-75 years. We used the 1-way ANOVA test to determine differences between ADRs among 45-49-year-old, 50-54-year-old, and 50-75-year-old individuals.

Results: A total of 2,806,539 screening colonoscopies were performed by 814 endoscopists. The mean ADR in the 45-49-year-old group was 28.6% compared with 31.8% for the 50-54-year-old group (P < 0.001) and 36.3% for the 50-75-year-old group (P < 0.001).

Discussion: Endoscopists might see a small drop in their ADR once a higher proportion of 45-49-year-old patients start undergoing screening colonoscopy.

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