Patient age 45 year old and above who presented with rectal bleeding at Obafemi Awolowo University Teaching Hospitals Complex, Ile Ife, Nigeria, University College Hospital, Ibadan, Nigeria, and University of Ilorin Teaching Hospital, Ilorin Nigeria were invited for colonoscopy. Categorical variables were compared using χ2-test or Fisher's exact test while the Kruskal-Wallis test was used for quantitative variables. Multivariate analysis was performed using logistic regression model. All statistical tests were two-sided and p-values below 0.05 were considered statistically significant. Statistical analysis was carried out using SAS 9.4 and R 3.3.1.
Patient age 45 year old and above who presented with rectal bleeding at three tertiary hospitals in South West Nigeria were invited for colonoscopy. The clinical information of the patients and the colonoscopy data were analyzed