XRCC1 (Arg399Gln) Genotypes

Allele Frequency (%)

Arg/Arg

Arg/Gln

Gln/Gln

Arg

Gln

Control Group (n = 100)

58 (58.0)

38 (38.0)

4 (4.0)

77.0

23.0

Patient Group (n = 90)

36 (40.0)

40 (44.4)

14 (15.6)

62.2

37.8

χ² = 9.02, p = 0.01

χ² = 5.3, p = 0.02

Merged Genotypes

Arg/Arg

Arg/Gln + Gln/Gln

Control Group (n = 100)

58 (58.0)

42 (42.0)

Patient Group (n = 90)

36 (40.0)

54 (60.0)

χ² = 6.13, p = 0.01

OR (95% CI) = 2.22 (1.74 - 2.84)