Table 4: Association of the XRCC1 Arg399Gln polymorphism with clinical and laboratory variables.

Variable
Polymorphism Genotypes Yes (%) No (%) Pa OR (IC 95%)b
Anti-Dna(ds)
XRCC1códon 399
Arg→Gln
Arg/Arg
Arg/Gln
Gln/Gln
Arg/Gln + Gln/Gln
6
6
3
9
38
17
6
23
Reference
0.31
0.33
0.15
1
2.23 (0.63-7.9)
3.16 (0.62 – 16.20)
2.47 (0.78 – 7.87)
Leukopenia
XRCC1códon 399
Arg→Gln
Arg/Arg
Arg/Gln
Gln/Gln
Arg/Gln + Gln/Gln
16
9
5
14
28
14
4
18
Reference
1
0.46
0.63
1
1.12(0.40-3.18)
2.19 (0.51 – 9.34)
1.36 (0.54-3.45)
Cutaneous Lupus
XRCC1 codon 399
Arg→Gln
Arg/Arg
Arg/Gln
Gln/Gln
Arg/Gln + Gln/Gln
15
4
2
6
29
19
7
26
Reference
0.17
0.7
0.19
1
0.41 (0.12 - 1.41)
0.55 (0.10 – 2.99)
0.45 (0.15 - 1.32)

aFisher’s test; bOR, odds ratio.