Fig. 2

Number Needed to Screen to detect Advanced Neoplasia (AN) (a) and the Odds Ratio for the loss in detection of AN (b) Men versus women through increasing the faecal haemoglobin cut-off. (*p < 0.001; ^† p < 0.05; ^‡no significance). (^¥Cut-off 50 μg Hb/g faeces in men = 509 [95% CI: 333–1000])