Table 3 The extent and severity of IBD among different ethnic groups

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%)