The association of the total risk score with prostate cancer risk in African Americans.

aOdds ratios (and 95% confidence intervals) adjusted for age, study, and the 1st 10 eigenvalues.bQuartiles based on distribution in controls (cutpoints for 40 SNPs: 37.5, 40.0 and 42.7; 27 SNPs: 28.7, 30.9 and 32.8).cInformation about family history of prostate cancer is available on 90% of cases and 84% of controls.