4.1. Analysis.
Comparison 4 Risk‐reducing salpingo‐oophorectomy (RRSO) versus no RRSO in BRCA1 mutation carriers according to age at RRSO, Outcome 1 Breast cancer mortality.
Comparison 4 Risk‐reducing salpingo‐oophorectomy (RRSO) versus no RRSO in BRCA1 mutation carriers according to age at RRSO, Outcome 1 Breast cancer mortality.