by University of Edinburgh Receiver operating characteristic (ROC) curve analysis for the detection of colorectal cancer between cohorts. Area under the curve 0.85 (95% c.i. 0.80 to 0.90) for the single-fecal immunochemical test (FIT) cohort, 0.90 (0.87 to 0.93) for the first FIT analyzed (FIT1) of patients who completed at least one test and investigation in...