Retrospective study of colorectal cancer in Zimbabwe: colonoscopic and clinical correlates.

Aim: To compare differences in the frequency of colorectal cancer at colonoscopy in Zimbabwe according to ethnicity.

Methods: All lower gastrointestinal endoscopic procedures performed between January 2006 and December 2011 at a gastroenterology clinic in Harare, Zimbabwe were reviewed. The demographic characteristics, clinical indications, differences in bowel preparation and the endoscopic and histological diagnoses were compared between different ethnic groups with emphasis on colorectal cancer.