Table 2.

Genotypic association of four single nucleotide polymorphisms with ulcerative colitis in Han and Uyghur populations n (%)

SNPs	Allele	Groups	UC cases	Controls	χ2	P
rs281377	C/T	Han	0 (0)/6 (11.3)/47 (88.7)	9 (5.6)/42 (26.1)/110 (68.4)	9.091	0.011
	C/T	Uyghur	10 (20.4)/12 (24.5)/27 (55.1)	15 (10.1)/59 (39.6)/75 (50.3)	5.633	0.060
rs1047781	T/A	Han	5 (9.5)/13 (24.5)/35 (66.0)	19 (11.8)/61 (37.9)/81 (50.3)	4.077	0.130
	T/A	Uyghur	2 (4.0)/4 (8.2)/43 (87.8)	10 (6.7)/50 (33.6)/89 (59.7)	13.480	0.001
rs601338	A/G	Han	0 (0)/1 (1.9)/52 (98.1)	3 (1.8)/23 (14.3)/135 (83.9)	7.382	0.025
	A/G	Uyghur	6 (12.2)/9 (18.4)/34 (69.4)	20 (13.4)/76 (51.0)/53 (35.6)	18.790	8.33 × 10-5
rs602662	A/G	Han	0 (0)/3 (5.7)/50 (94.3)	0 (0)/9 (5.6)/152 (94.4)	NA	NA
	A/G	Uyghur	5 (10.2)/15 (30.6)/29 (59.2)	11 (7.4)/61 (40.9)/77 (51.7)	1.776	0.412

UC: Ulcerative colitis; SNPs: Single nucleotide polymorphisms; NA: Not available.