Table 3.
The extent and severity of IBD among different ethnic groups
| Sinhala | Tamil | Muslims | |
|---|---|---|---|
| General population of the two districts* | 83.5% | 8% | 6.5% |
| UC | 209 (89.7%) | 17 (7.3%) | 7 (3%) |
| Extent of UC | |||
| Distal | 103 (91.2%) | 7 (6.2%) | 3 (2.6%) |
| Left sided | 43 (86%) | 4 (8%) | 3 (6%) |
| Extensive | 51 (88%) | 6 (10%) | 1 (2%) |
| Severity of UC | |||
| Mild | 90 (92.8%) | 4 (4.1%) | 3 (3.1%) |
| Moderate | 48 (98%) | - | 1 (2%) |
| Severe | 18 (90%) | 2 (10%) | - |
| CD | 50 (90.9%) | 4 (7.3%) | 1 (1.8%) |
| Extent of CD | |||
| Only small intestinal involvement | 6 (85.7%) | 1 (14.3%) | - |
| Only large intestinal involvement | 41 (93.2%) | 2 (4.5%) | 1 (2.3%) |
| Large and small intestinal involvement | 3 (75%) | 1 (25%) | - |
| Perianal disease | 3 (75%) | - | 1 (25%) |
| Upper gastrointestinal involvement | 3 (100%) | - | - |
| Severity of CD | |||
| Mild | 23 (88.5%) | 3 (11.5%) | - |
| Moderate | 9 (90%) | 1 (10%) | - |
| Severe | 8 (88.9%) | - | 1 (11.1%) |
*Other ethnic groups 2%