Symptoms frequency according to CSD
| CSD | Indications (%) | Total (%) |
| CRC | PR bleeding – 9 (47) | 19 (1.7) |
| Diarrhoea— 5 (26) | ||
| Anaemia—4 (21) | ||
| Abdominal pain—1 (5) | ||
| HRA | Anaemia—12 (30) | 40 (3.6) |
| PR bleeding—12 (30) | ||
| Diarrhoea—7 (18) | ||
| Weight loss—3 (8) | ||
| Constipation—2 (5) | ||
| Alt. constipation w diarrhoea—2 (5) | ||
| Abdominal pain—1 (3) | ||
| Others—1 (3) | ||
| Inflammation—IBD | Diarrhoea—31 (48) | 65 (5.8) |
| PR bleeding—6 (9) | ||
| Alt constipation and diarrhoea—6 (9) | ||
| Anaemia—5 (8) | ||
| Abdominal pain—4 (6) | ||
| Weight loss—1 (2) | ||
| Constipation—1 (2) | ||
| Other—11 (17) | ||
| Inflammation—microscopic colitis | Diarrhoea—7 | 9 (0.8) |
| PR bleeding—1 | ||
| Alt. constipation with diarrhoea—1 | ||
| Vascular—angiodysplasia | Diarrhoea—2 | 6 (0.5) |
| Anaemia—2 | ||
| PR bleeding—1 | ||
| Constipation—1 |
CRC, colorectal cancer; CSD, clinically significant disease; HRA, high-risk adenoma; IBD, inflammatory bowel disease; PR, per rectum.