Frequency of pathology findings at colonoscopy in symptomatic patients referred via 2WW pathways
| Diagnosis | N | % |
| Normal | 3079 | 31.3 |
| Low risk adenoma | 2321 | 23.6 |
| Diverticular disease | 2294 | 23.4 |
| Perianal disease* | 723 | 7.4 |
| Inflammatory bowel disease | 427 | 4.3 |
| High-risk adenoma | 421 | 4.3 |
| Colorectal cancer | 329 | 3.3 |
| Microscopic colitis | 152 | 1.5 |
| Other†| 53 | 0.5 |
| Angiodysplasia | 23 | 0.2 |
*Perianal disease: anal fissure, anal fistula, haemorrhoids or solitary rectal ulcer.
†Other: findings included melanosis Coli, parasites, lipoma.
2WW, 2 weeks wait.