Table 2 Clinical characteristics of HBC and SBC groups
Characteristic | HBC | SBC | ||
|---|---|---|---|---|
HBOC | HBCC | Other* | ||
Number of patients, n (%) | 77 (74.8) | 4 (3.9) | 22 (21.4) | 101 (100) |
Age at diagnosis, mean (sd) | 45.75 (11.8) | 47.66 (3.2) | 41.1 (10.4) | 56.9 (5.2) |
Age at diagnosis >50, n (%) | 25 (32.5) | 0 | 6 (27.3) | 101 (100) |
Bilateral breast cancer, n (%) | 50 (74.6) | 3 (4.5) | 5 (7.5) | 9 (13.4) |
Synchronic | 23 (47.8) | 2 (66.7) | - | 2 (22.2) |
Metachronic | 26 (50.0) | 0 | - | 7 (77.8) |
Missing | 1 (2.2) | 1 (33.3) | 5 (100) | 0 |