Association of XPG rs2094258 polymorphism with gastric cancer prognosis

Table 1 Demographic characteristics of the participants

		Case	Control	X2	P-value
		n = 956	n = 1012
Age (yr)
	≤60	569 (59.5)	637 (62.9)	2.289	0.130
	>60	387 (40.5)	375 (37.1)
Gender
	Male	667 (69.8)	724 (71.5)	0.662	0.416
	Female	289 (30.2)	288 (28.5)
H. pylori infection
	Positive	675 (70.6)	542 (53.6)	59.835	<0.001
	Negative	281 (29.4)	470 (46.4)
Drinking
	No	758 (79.3)	497 (49.1)	2.787	0.095
	Yes	198 (20.7)	515 (50.9)
Smoking
	No	560 (58.6)	517 (51.1)	1.382	0.240
	Yes	396 (41.4)	495 (48.9)

H. pylori: Helicobacter pylori.