The Factors Affecting ADR of Screening Colonoscopy

The First Affiliated Hospital of Zhejiang Chinese Medical University13,495 enrolled

Overview

The purpose of this study is to assess the impact of multilevel factors on the quality of screening colonoscopy, reflected mainly by adenoma detection rate (ADR).

The subjects will include patients who need to screening colonoscopies by 21 endoscopists between January 2019 and December 2019 were retrospectively enrolled in this unit. Multilevel factors, including patient-, proceduralist-, and procedure-level characteristics were analyzed for the relationship with ADR.

Study Type

OBSERVATIONAL

Enrollment

13,495

Conditions

Adenoma Detection Rate Colonoscopy

Eligibility

Sex: ALL

Medical Language ↔ Plain English

Inclusion Criteria: * Patients were retrospectively included in this study if they had undergone a completed colonoscopy. Exclusion Criteria: * prior colonoscopy within 3 years; * medical history of inflammatory bowel disease (IBD), CRC, or abdominal surgery; * fair or poor quality of bowel preparation (fair quality: some semisolid stool that could be suctioned or washed away but \>90% of mucosal surface seen; poor quality: semisolid stool that could not be suctioned or washed away with \<90% of mucosal surface seen); * failure in cecal intubation; * withdrawal time without removing\<6 min.

Locations (1)

First Affiliated Hospital of Zhejiang Chinese Medical University

Hangzhou, Zhejiang, China

Outcomes

Primary Outcomes

Adenoma detection rate

the proportion of colonoscopies in which at least one adenoma was detected

Time frame: After histopathologically examined, reviewed, and confirmed, an average of 7 days.

Data from ClinicalTrials.gov

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