Table 3: Genotypes and alleles frequency of XRCC1 polymorphisms in SLE patients and controls.

Polymorphism SLE patients, Controls, P valueOR (95% CI)

Arg399Gln
 Genotypes, n (%)
  Arg/Arg64 (39.3)41 (22.8)1
  Arg/Gln75 (46)110 (61.2)0.0010.44 (0.27–0.71)
  Gln/Gln24 (14.7)29 (16)0.0630.73 (0.5–1.02)
 Alleles, n (%)
  Arg203 (62.2)192 (53.3)1
  Gln123 (37.7)168 (46.7)0.020.7 (0.5–0.94)
Arg194Trp
 Genotypes, n (%)
  Arg/Arg106 (65)112 (62.2)1
  Arg/Trp52 (32)65 (36.1)0.470.85 (0.54–1.3)
  Trp/Trp5 (3)3 (1.7)0.451.3 (0.64–2.75)
 Alleles, n (%)
  Arg264 (81)289 (80.3)1
  Trp62 (19)71 (19.7)0.80.96 (0.65–1.4)