Table 2. Ratio of OR_male:OR_female for 12 risk loci identified by genome-wide association studies of female breast cancer.

SNP	Chromosome	ORmale:ORfemale (95% CI)	χ2	P-valuea
rs11249433	1p11.2	0.95 (0.80–1.11)	0.425	0.50
rs13387042	2q35	1.19 (1.01–1.39)	4.538	0.03
rs4973768	3p24.1	1.07 (0.91–1.25)	0.681	0.41
rs10941679	5p12	1.03 (0.86–1.22)	0.087	0.77
rs16886165	5q11.2	0.81 (0.65–1.02)	3.116	0.08
rs9383938	6q25.1	1.22 (0.95–1.58)	2.400	0.12
rs13281615	8q24.21	1.02 (0.87–1.20)	0.036	0.85
rs865686	9q31.2	0.95 (0.80–1.13)	0.293	0.59
rs2981579	10q26.13	0.96 (0.82–1.12)	0.315	0.57
rs3817198	11p15.5	0.87 (0.74–1.03)	2.646	0.10
rs3803662	16q12.1	1.19 (1.01–1.42)	4.118	0.04
rs6504950	17q22	0.84 (0.71–0.99)	4.086	0.04
All SNPs combined			22.769	0.03

^aP value for null hypothesis of no difference between OR_male and OR_female for each SNP individually and for all SNPs combined (in bold).