Table 5 Stratified analyses of association between the two SNPs and lung cancer risk by smoking exposure

88 (74.6)

58 (60.4)

1.00 (ref)

29 (24.6)

32 (33.3)

1.695 (0.922–3.119)

0.090

1 (0.8)

6 (6.3)

8.219 (0.957–70.618)

0.055

1.929 (1.070–3.479)

0.029

7.048 (0.827–60.092)

0.074

314 (66.1)

233 (68.9)

1.00 (ref)

146 (30.7)

99 (29.3)

0.914 (0.671–1.245)

0.568

15 (3.2)

6 (1.8)

0.563 (0.213–1.484)

0.245

0.882 (0.653–1.192)

0.415

0.578 (0.220–1.519)

0.266

50 (42.4)

30 (31.3)

1.00 (ref)

62 (52.5)

53 (55.2)

1.376 (0.763–2.482)

0.288

6 (5.1)

13 (13.5)

3.224 (1.089–9.544)

0.034

1.539 (0.867–2.731)

0.141

2.652 (0.954–7.371)

0.062

200 (42.1)

144 (42.6)

1.00 (ref)

212 (44.6)

156 (46.2)

1.010 (0.748–1.364)

0.950

63 (13.3)

38 (11.2)

0.847 (0.534–1.341)

0.478

0.973 (0.731–1.294)

0.849

0.842 (0.546–1.299)

0.437