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Table 4 Influence of genetic polymorphisms on the risk of CRC in smoking or drinking people

From: Genetic polymorphisms in XRCC1 genes and colorectal cancer susceptibility

 

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)