Table 2.

The clinical stages and the scope of lesion in the case and control groups.

Clinical characters	Uygur	Han	χ 2	P
Clinical stages
Activity	18	14	1.07	0.30
Remission	12	16	1.07	0.30
Scope of lesion
The whole colon type	3	2	0.00	1.00
Rectal type	8	6	0.37	0.54
The left half colon type	4	8	1.67	0.20
Extensive colonic type	3	0	1.40	0.23
Rectal sigmoid type	12	14	0.27	0.60

The “case group” means the UC patients and the “control group” means the healthy control without UC.