Table 2.

Median European MLE and STRUCTURE ancestry estimates and percentage of GSTM1 null genotypes by self-reported race and case-control status

Caucasian, non-Hispanic
African American
Cases (n = 192)Controls (n = 363)P*Cases (n = 60)Controls (n = 131)P*
Median European MLE0.991.00.650.200.160.69
Median European STRUCTURE (cluster 2)0.650.710.310.150.130.71
GSTM1 null (column %)43.648.30.2927.128.80.81
  • * P represents a test for differences between cases and controls within self-reported racial group (t test for median ancestry values; χ2 test for GSTM1 null genotype).