Baseline characteristics
| Median age (SD) | 53 (9.8) | |
| Gender | Female | 8 (32 %) |
| Male | 17 (68 %) | |
| Ethnicity | White | 24 (96 %) |
| Black | 1 (4 %) | |
| Mean Hb (g/L) (SD); n | 145 (14.8); 25 | |
| Mean creatinine (µmol/L) (SD) | 81 (11.9) | |
| Mean BMI (SD) | 25 (3.3) | |
| FIT (μg Hb/g) | >7 | 4 (16%) |
| <7 | 12 (48%) | |
| N/A | 9 (36%) | |
| Reason for referral | Postpolypectomy surveillance | 9 (36%) |
| CIBH | 10 (40%) | |
| FIT positive | 1 (4%) | |
| CIBH, abdominal pain | 1 (4%) | |
| CIBH, per rectal bleed | 3 (12%) | |
| Black stool, normal gastroscopy | 1 (4%) | |
Values are n (%) unless otherwise stated.
BMI, body mass index; CIBH, change in bowel habit; FIT, faecal immunochemical test; Hb, haemoglobin; N/A, not available.