Figure 1. Association between the PRS and contralateral breast cancer risk for BRCA1 and BRCA2 heterozygotes.
The figure includes the effect size of the association between contralateral breast cancer and the three different PRS313 after testing for covariates for the following selections: all contralateral breast cancer, invasive contralateral breast cancer only, ER-negative contralateral breast cancer, and ER-positive contralateral breast cancer. The numbers of unilateral and contralateral breast cancer cases and effect sizes are shown in Table 2 and Table S4.
Abbreviations: CBC, Contralateral Breast Cancer; ER, Estrogen Receptor; HR, Hazard Ratio; PRS, Polygenic Risk Score; SD, Standard Deviation.