Geometric mean (SE) concentrations of urinary 8-OH-dG (ng/mg creatinine) of non-smokers and smokers by genetic subtypes
| Subjects (n) | Non-smokers (n=21) | Smokers (n=52) | |
| CYP1A1MspI: | |||
| m1/m1 | 23 | 11.4 (1.1) | 13.9 (1.1) |
| m1/m2,m2/m2 | 50 | 9.9 (1.1) | 13.6 (1.1) |
| CYP1A1 ile-val: | |||
| ile/ile | 41 | 10.7 (1.1) | 14.0 (1.1) |
| ile/val, val/val | 32 | 10.1 (1.1) | 13.2 (1.1) |
| CYP2E1: | |||
| c1/c1 | 44 | 9.9 (1.1) | 13.0 (1.1) |
| c1/c2,c2/c2 | 29 | 11.2 (1.1) | 14.7 (1.1) |
| GSTM1: | |||
| + | 37 | 11.0 (1.1) | 13.6 (1.1) |
| − | 36 | 9.2 (1.1) | 13.8 (1.1) |
| GSTT1: | |||
| + | 39 | 10.9 (1.1) | 13.6 (1.1) |
| − | 34 | 9.6 (1.1) | 13.8 (1.1) |