Table 2

Number (and percentages) in different clinical outcomes with faecal haemoglobin concentrations ≥400, ≥500, ≥600, ≥700, ≥800, ≥900 and >1000 ng Hb/ml (5 ng/ml=1 µg Hb/g faeces)

Clinical outcomes≥400 ng Hb/ml (%)≥500 ng Hb/ml (%)≥600 ng Hb/ml (%)≥700 ng Hb/ml (%)≥800 ng Hb/ml (%)≥900 ng Hb/ml (%)≥1000 ng Hb/ml (%)
Cancer3938 (97.4)35 (89.7)31 (79.5)30 (76.9)30 (76.9)29 (74.4)
High-risk adenoma190171 (90.0)151 (79.5)138 (72.6)127 (66.8)121 (63.7)111 (58.4)
Low-risk adenoma11993 (78.2)73 (61.3)67 (56.3)53 (44.5)50 (42.0)44 (37.0)
Hyperplastic polyps4034 (85.0)28 (70.0)23 (57.5)21 (52.5)20 (50.0)18 (45.0)
Haemorrhoids4840 (83.3)38 (79.2)31 (64.6)28 (58.3)26 (54.2)25 (52.1)
Inflammatory bowel disease3430 (88.2)25 (73.5)21 (61.8)18 (52.9)17 (50.0)17 (50.0)
Diverticular disease10484 (80.8)75 (72.1)63 (60.6)52 (50.0)46 (44.2)42 (40.4)
No pathology170144 (84.7)121 (71.2)106 (62.4)90 (52.9)79 (46.5)75 (44.1)