Table 2.

Duration of ulcerative colitis symptoms and severity at presentation by ethnicity

Ethnicity	Duration (mo)	95%CI	Inactive	Mild	Moderate	Severe	%Severe	Extra-intestinal	Surgery
Thai	6.34	2.67-10.00	2	41	16	10	14.49%	2.90%	5.80%
Oriental	13.44	-10.42-37.31	0	9	10	4	17.39%	0.00%	8.70%
South Asian	14.04	3.45-24.63	2	16	8	6	18.75%	15.15%	12.12%
Middle Eastern	18.46	10.63-26.29	8	55	58	31	20.39%	9.68%	3.87%
Caucasian	6.74	0.08-13.41	6	35	33	10	11.90%	9.30%	6.98%
African	34.67	-29.98-99.32	0	3	2	0	0.00%	40.00%	0.00%
Overall	13.06	9.05-17.07	18	159	127	61	16.71%	8.63%	5.93%