Table 1. Information about cases of GC and normal in TCGA.

	Total	H. pylori (+) GC	Normal tissue
Average age(year)	66.20	63.61	68.78
Gender
Male	35(70%)	13(26%)	22(44%)
Female	15(30%)	5(10%)	10(20%)
Race category
Asian	9(18%)	2(4%)	7(14%)
White	28(56%)	11(22%)	17(34%)
Others	13(26%)	5(10%)	8(16%)
Cancer type
Intestinal type	10(55.6%)	10(55.6%)	0
Diffuse type	7(38.9%)	7(38.9)	0
Not otherwise specified	1(5.5%)	1(5.5%)	0
Disease stage
Stage I	1(5.5%)	1(5.5%)	0
Stage II	4(22.3%)	4(22.3%)	0
Stage III	11(61.1%)	11(61.1%)	0
Stage IV	2(11.1%)	2(11.1%)	0