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Updated: May 5, 2026
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Published on: January 12, 2017
The day of the week does not affect the adenoma detection rate
Brenda G Jimenez Cantisano1, Marlow Hernandez, Angelica Ramírez
1Digestive Disease Institute, Cleveland Clinic Florida, 2950 Cleveland Clinic Blvd, Weston, FL, 33331, USA, Jimeneb2@ccf.org.
Background:
The role of operator fatigue on adenoma detection rate (ADR) is still controversial.
Aims:
The purpose of this study was to determine if fatigue towards the end of the week affects the ADR.
Methods:
A retrospective chart review of consecutive colonoscopies was done at a tertiary care teaching institution. Patients 45 years of age or older undergoing screening or surveillance colonoscopy from June 2007 to August 2010 were included in the study.
Results:
A total of 3,085 patients were included in the study, with an overall 31 % ADR. ADR was between 31 and 32 % throughout the week, with no statistically significant variation (p = 0.8697). The total number of adenomas and advanced adenomas was also similar throughout the week (p = 0.8, p = 0.59, respectively).
Conclusions:
ADR is not influenced by the day of the week in which a colonoscopy is performed.
