Table 1.
Clinical characteristics of IBD patients
| Ulcerative colitis (UC) (N = 240) |
Crohn's disease (CD) (N = 55) |
|
|---|---|---|
| Sex | ||
| Females | 144 | 28 |
| Males | 96 | 27 |
| Mean age at diagnosis | ||
| Females | 38.1 | 33.4 |
| Males | 36.6 | 36.2 |
| Ethnicity | ||
| Sinhalese | 209 (89.7%) | 50 (90.9%) |
| Tamil | 17 (7.3%) | 4 (7.3%) |
| Muslim | 7 (3%) | 1 (1.8%) |
| - | - | |
| Extent of disease (UC-221) | ||
| Distal | 113 (51.1%) | - |
| Left-sided | 50 (22.6%) | - |
| Extensive | 58 (26.3) | - |
| Extent of disease (CD-55) | ||
| Only small intestinal involvement | - | 7 (12.7%) |
| Only large intestinal involvement | - | 44 (80%) |
| Large & small intestinal involvement | - | 4 (7.3%) |
| Perianal disease | - | 4 (7.3%) |
| Upper gastrointestinal involvement | - | 3 (5.5%) |
| Severity of disease | (UC-166) | (CD-45) |
| Mild | 97 (58.4%) | 26 (57.7%) |
| Moderate | 49 (29.5%) | 10 (22.2%) |
| Severe | 20 (12.2%) | 9 (20%) |
| Extra-intestinal manifestations | ||
| Arthralgia and arthritis | 68 (28.3%) | 13 (23.6%) |
| Ocular disease | 22 (9.2%) | 9 (16.4%) |
| Skin rashes | 18 (7.5%) | 3 (5.5%) |
| Backache | 17 (7.1%) | 3 (5.5%) |
| Positive family history | 5 (2.1%) | 3 (5.5%) |
| Surgical intervention | 11 (4.6%) | 10 (18.2%) |