Table 2.

Genotypic distributions and allelic frequencies in East Anglian women with and without invasive breast cancer

GenotypeCases (n = 2,539)Controls (n = 1,832)Odds ratio (95% confidence interval)
5G5G520 (0.205)386 (0.211)1.00 (reference)
4G5G1,229 (0.484)896 (0.489)1.02 (0.87-1.19)
4G4G790 (0.311)550 (0.300)1.07 (0.90-1.26)
4G allele0.5530.545
5G allele0.4470.455