Cytochrome P450 2E1 genetic polymorphism and gastric cancer in Changle, Fujian Province

Table 1 Distribution of selected variables in gastric cancer group and group

	Gastric cancer (n = 91)	Control (n = 94)	P value
	n (%)	n (%)
Age/y
< 50	21 (23.1)	22 (23.4)
50-59	22 (24.2)	22 (23.4)
60-69	32 (35.2)	34 (36.2)
70+	16 (17.6)	16 (17.0)	0.9983
mean ± SD	58.4 ± 10.9	58.2 ± 11.0
Range	32-78	34-79
Gender
Male	77 (84.62)	82 (87.23)
Female	14 (15.38)	12 (12.77)	0.6094
Education
College	1 (1.1)	1 (1.1)
High school	15 (16.5)	63 (67.0)
Elementary school	57 (62.6)	22 (23.4)
Illiterate	18 (19.8)	8 (8.5)	0.0000
Smoking/y
0	31 (34.1)	60 (63.8)
< 10	2 (2.2)	16 (17.0)
10-	16 (17.6)	7 (7.5)
20-	22 (24.2)	4 (4.3)
30-	20 (22.0)	7 (7.5)	0.0000
Alcohol drinking/y
0	40 (44.0)	66 (70.2)
< 10	3 (3.3)	13 (13.8)
10-	14 (15.4)	8 (8.5)
20-	34 (37.4)	7 (7.5)	0.0000
Fish sauce intake
Low (< 3 times/w)	17 (18.68)	69 (73.40)
High (≥ 3 times/w)	76 (81.32)	25 (26.60)	0.0000