Table 2.

Risk of prostate cancer in relation to SNPs in genes involved in oxidative DNA repair in a population-based case-control study of prostate cancer in Arkansas, 1998–2003

	Cases (n=193)		Controls (n=197)
Genotype	Number	%	Number	%	OR (95% CI)^a	P value
hOGG1 (Ser326Cys)
Ser/Ser	126	66.0	118	60.2	1.00^b
Ser/Cys or Cys/Cys	65	34.0	78	39.8	0.72 (0.46, 1.10)	0.13
Allele frequency of Cys		18.1		21.7
XRCC1 (Arg399Gln)
Arg/Arg	102	53.7	127	65.1	1.00^b
Arg/Gln or Gln/Gln	88	46.3	68	34.9	1.56 (1.01, 2.45)	0.049
Allele frequency of Gln		26.8		18.2

Ser, Serine; Cys, Cytosine; Arg, Arginine; Gln, Glutamine.

Adjusted for age, race, body mass index, education, and smoking status.

Reference.