Clinical characteristics of controls and patients with ulcerative colitis for the number of years indicated
| Ulcerative colitis | Normal subjects | ||||
|---|---|---|---|---|---|
| 7–9 years | 10–15 years | > 15 years | Σ | ||
| Number | 13 | 10 | 8 | 31 | 27 |
| Age (years) | 38 (11) | 35 (9) | 44 (8) | 39 (10) | 53 (15) |
| Sex (F/M) | 7/6 | 6/4 | 4/4 | 17/14 | 15/12 |
| Disease severity | |||||
| Mild | 2 | 0 | 1 | 3 | |
| Moderate | 0 | 8 | 5 | 13 | |
| Severe | 11 | 2 | 2 | 15 | |
| Backwash ileitis | 1 | 1 | 1 | 3 | |
| Primary sclerosing cholangitis | 0 | 0 | 0 | 0 | |
| Haemorrhoids | 7 | ||||
| Diverticulosis | 6 | ||||
| Irritable colon | 3 | ||||
| Normal mucosa | 11 | ||||
Results are mean (SD) at time of colonoscopy.