Table 4: The association between XRCC1 Arg399Gln polymorphism and malar rash in SLE patients.

GenotypesSLE patients with malar rash, n (%)SLE patients without malar rash, n (%)P valueOR (95% CI)

Arg/Arg41 (47)23 (30)Ref = 1
Arg/Gln32 (37)43 (57)0.010.42 (0.21–0.83)
Gln/Gln14 (16)10 (13)0.60.89 (0.55–1.4)

Total8776