Ulcerative colitis in a multiracial Asian country: Racial differences and clinical presentation among Malaysian patients

Table 1 Prevalence of UC by ethnic origin at the University Hospital, Kuala Lumpur

Ethnic origin	Total number of hospitaladmissions by race	Numberwith UC	Prevalenceper 100 000	Odds ratio (95%CI)(Malay as reference group)	P
Malay	218 019	8	3.7	1	-
Chinese	142 575	16	11.2	3.06 (1.24-7.78)	0.012
Indian	100 250	8	17.9	4.89 (2.02-12.24)	< 0.001

Table 2 Extent of colonic disease in the different ethnic groups

Ethnic origin	Distal colitisn (%)	Left-sidedcolitis n (%)	Pan-colitisn (%)
Malay	3 (37.5)	1 (12.5)	4 (50.0)
Chinese	11 (68.8)	3 (18.8)	2 (12.5)
Indian	4 (22.2)	4 (22.2)	10 (55.5)
Overall	18 (42.9)	8 (19.0)	16 (38.1)

(% of the ethnic group)y.