The Moroccan Colorectal Cancer Screening, Pilot Demonstration Project in Rabat Region

Interventions: iFOBT test;No intervention Primary outcome(s): Stage distribution of CRC detected into the program; Detection rates of polyps, advanced adenoma and CRC for 10 000 screened persons; Positive predictive value of iFOBT for CRC and polyps; CRC detected in the programme as a proportion of all CRC during 2017 (programme sensitivity: CRC detected by the programme/total CRC provided by the hospital-based cancer registry). Frequency of bleeding, tearing, perforation and deaths following colonoscopy; Number of unnecessary exploratory surgeries. Study Design: Crossover: all participants receive all interventions in different sequence during study,Non-randomised,Allocation was determined by the holder of the sequence who is situated off site