Table 4 Stratification analyses of rs1859168 and rs7158663 genotypes among NPC patients

Gender

Male

34(22.52)

117(77.48)

0.757

1.133(0.513,2.504)

68(45.03)

83(54.97)

0.443

1.294(0.670,2.699)

Female

10(20.41)

39(79.59)

19(38.78)

30(61.22)

Age, years

≤ 50

16(19.05)

68(80.95)

0.391

1.352(0.678,2.699)

39(46.43)

45(53.57)

0.477

1.228(0.697,2.162)

> 50

28(24.14)

88(75.86)

48(41.38)

68(58.62)

EBV-DNA

Positive

32(19.88)

129(80.12)

0.141

1.792(0.819,3.918)

73(45.34)

88(54.66)

0.286

1.481(0.718,3.056)

Negative

12(30.77)

27(69.23)

14(35.90)

25(64.10)

Nationality

Han

25(23.15)

83(76.85)

0.671

1.157(0.590,2.271)

50(46.30)

58(53.70)

0.387

1.281(0.730,2.250)

Zhuang

19(20.65)

73(79.35)

37((40.22)

55(59.78)

Smoking status

Smoker

9(16.67)

45(83.33)

0.268

0.634(0.282,1.426)

21(38.89)

33(61.11)

0.424

0.771(0.408,1.458)

Nonsmoker

35(23.97)

111(76.03)

66(45.21)

80(54.79)

Drinking status

Drinker

14(17.72)

65(82.28)

0.238

0.653(0.321,1.329)

31(39.24)

48(60.76)

0.326

0.750(0.421,1.333)

Nondrinker

30(24.79)

91(75.21)

56(46.28)

65(53.72)