Age at time | Number | Breast Cancer |
| ||
of surgery | of patients | Observed | Expected | SIR | 95% CI |
<25 | 205 | 2 | 1.85 | 1.08 | 0.13 - 3.90 |
25 - 34 | 133 | 2 | 3.25 | 0.61 | 0.07 - 2.22 |
35 - 44 | 140 | 3 | 5.99 | 0.50 | 0.10 - 1.46 |
≥45 | 80 | 1 | 4.93 | 0.20 | 0.00 - 1.13 |
Total | 558 | 8 | 16.02 | 0.5 | 0.21 - 0.98 |