Colonoscopy withdrawal time and polyp/adenoma detection rate: a single-site retrospective study in regional Queensland

Bowel cancer is the second most common non-cutaneous cancer diagnosed in Australia among both genders. Colonoscopy withdrawal time of at least 6 min has been accepted as the standard to achieve the target polyp detection rate (PDR) and adenoma detection rate (ADR).


Colonoscopies with withdrawal times of less than 6 min did not achieve the target detection rates. It is clear that achieving the advocated withdrawal time for screening colonoscopy improves detection rates.

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