HelpDesk AnswersIs screening colonoscopy more effective than annual FOBT in improving morbidity and mortality for colon cancer screening in adults?Patel, Andrew MD; Wells, Jack MD, MHA Author Information University of Missouri Columbia, MO Evidence-Based Practice 18(3):p 13, March 2015. | DOI: 10.1097/01.EBP.0000540922.79850.5f Buy Metrics Abstract Evidence-Based Answer Colonoscopy and fecal occult blood testing (FOBT) have been associated with reduced cancer-specific mortality (SOR B: for colonoscopy, prospective cohort; SOR A: for FOBT, Cochrane review of RCTs) but there are no head-to-head comparative mortality data. Colonoscopy and FOBT have comparable detection rates for colorectal cancer (CRC) at 10 years, although colonoscopy identifies more adenomas and has higher complication rates (SOR B: RCTs). © Copyright 2015 Family Physicians Inquiries Network, Inc.