Comparisons | Group | Number (study) | OR | 95% CI | P (association) |
---|---|---|---|---|---|
Allele c2 vs. allele c1 | All | 5 | 0.65 | 0.49–0.86 | 0.003 |
HNSCC | 3 | 1.01 | 0.57–1.78 | 0.977 | |
PB | 3 | 0.57 | 0.42–0.79 | 0.001 | |
Y | 4 | 0.98 | 0.65–1.46 | 0.913 | |
Carrier c2 vs. carrier c1 | All | 5 | 0.73 | 0.53–1.00 | 0.047 |
HNSCC | 3 | 0.98 | 0.55–1.75 | 0.945 | |
PB | 3 | 0.65 | 0.45–0.93 | 0.019 | |
Y | 4 | 0.98 | 0.64–1.50 | 0.938 | |
c2c2 vs. c1c1 | All | 3 | 0.41 | 0.20–0.86 | 0.018 |
c1c2 vs. c1c1 | All | 5 | 0.75 | 0.43–1.30 | 0.309 |
HNSCC | 3 | 0.96 | 0.53–1.71 | 0.877 | |
PB | 3 | 0.63 | 0.29–1.35 | 0.231 | |
Y | 4 | 1.00 | 0.64–1.56 | 0.990 | |
c1c2 + c2c2 vs. c1c1 | All | 7 | 0.72 | 0.55–0.94 | 0.016 |
HNSCC | 4 | 0.97 | 0.59–1.57 | 0.892 | |
PB | 4 | 0.64 | 0.47–0.87 | 0.005 | |
Y | 6 | 0.97 | 0.70–1.35 | 0.871 | |
c2c2 vs. c1c1 + c1c2 | All | 3 | 0.55 | 0.26–1.13 | 0.103 |