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Target Audience: Gastroenterologists, primary care clinicians
The fecal occult blood test (FOBT) using guaiac reduces colorectal cancer (CRC) incidence and death when used in a screening program. The newer fecal immunochemical test (FIT) for human hemoglobin is now widely available. A task force representing three U.S. gastroenterology societies reviewed published evidence on the effectiveness of the FIT for CRC screening and presented consensus recommendations.
A one-time FIT is approximately 80% sensitive for detecting CRC and 20%–30% sensitive for detecting advanced adenomas. Repeated applications of the FIT are recommended…