CYP1A1 Variant | Non-smokers | Smokers | OR | 95% CI | P-value |
---|---|---|---|---|---|
N = 56 | N = 93 | ||||
N (%) | N (%) | ||||
CYP1A1*2C | 7 (12.5) | 10 (10.8) | 1.19 | (0.42–3.32) | 0.75 |
CYP1A1*4 | 15 (26.8) | 31 (33.3) | 0.73 | (0.35–1.52) | 0.20 |
CYP1A1*2C/*4 | 3 (5.4) | 1 (1.1) | 5.21 | (0.53–51.3) | 0.12 |
CYP1A1*1 (wild type) | 31 (55.4) | 51 (54.8) | 0.98 | (0.50–1.91) | 0.95 |