Distribution of the 313-Variant PRS (PRS313) in 62,830 Control Women without Any Diagnosis of Breast Cancer, 81,000 Women with Unilateral Breast Cancer, and 3,607 Women with Contralateral Breast Cancer
Coefficients to construct the PRS313 are shown in Table S3. The PRS313 was standardized by SD = 0.61, in line with Mavaddat et al.7 PRS, polygenic risk score; BC, breast cancer; CBC, contralateral breast cancer; SD, standard deviation.