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Influence of genetic polymorphisms on the risk of CRC in smoking or drinking people
| Controls (%) n = 350 | Cases (%) n = 320 | P | |
|---|---|---|---|
| Arg194Trp (smoking) | |||
| Trp/Trp | 11(3.1) | 15(4.7) | 0.491 |
| Arg/Trp + Arg/Arg | 124(35.4) | 127(39.7) | |
| Arg399Gln (smoking) | |||
| Arg/Arg | 122(34.9) | 137(42.8) | 0.912 |
| Arg/Gln + Gln/Gln | 60(17.1) | 69(21.6) | |
| Arg399Gln (drinking) | |||
| Arg/Arg | 39(11.1) | 46(14.4) | 0.812 |
| Arg/Gln + Gln/Gln | 21(6.0) | 27(8.4) | |
