Indications for flexible sigmoidoscopy (often multiple)
| Indication | No |
| Rectal bleeding | 312 |
| Anaemia | 51 |
| Abdominal pain | 170 |
| Abdominal mass | 1 |
| Change in bowel habit | 346 |
| Abnormal barium enema | 64 |
| Positive FOBT | 8 |
| Polyp follow up | 47 |
| Cancer follow up | 18 |
| Surveillance (including UC) | 17 |
| Miscellaneous | 83 |
| Total | 117 |
FOBT, faecal occult blood test; UC, ulcerative collitis.