Table 1 Characteristics of study population at baseline (RRSO)
BRCA1 (N=201) | BRCA2 (N=114) | Total (N=315) | P value | |
|---|---|---|---|---|
Age at RRSO, median (range) | 42 (30–71) | 45 (33–66) | 43 (30–71) | <0.00 |
Previous breast cancer (%) | ||||
Yes | 86 (43) | 32 (28) | 118 (38) | 0.01 |
No | 115 (57) | 82 (72) | 197 (63) | |
Tamoxifen ever used (%) | ||||
Yes | 12 (6) | 7 (6) | 19 (6) | 0.55 |
No | 155 (77) | 93 (82) | 248 (79) | |
Unknown | 34 (17) | 14 (12) | 48 (15) | |
