Table 5 Cumulative effects of combined risk alleles (rs7101916 T and rs28372683 A) on the susceptibility to HCV infection.
Variables | Group A | Group (B + C) | Group (B + C)/Group A | |
---|---|---|---|---|
n | n | OR(95% CI)a | P a | |
0 | 302 | 277 | 1 | |
1 | 439 | 296 | 0.702 (0.554–0.890) | 0.003 |
2 | 189 | 94 | 0.543 (0.396–0.747) | 1.68e-4 |
3 | 31 | 8 | 0.254 (0.111–0.580) | 0.001 |
4 | 1 | 4 | 3.974 (0.403–39.226) | 0.237 |
Trend | 8e-6 b | |||
1–4 | 660 | 402 | 0.641 (0.514–0.799) | 7.9e-5 |