Table 3.
Pattern of invasive disease-free survival events according to hormone receptor status.
| Hormone receptor-positive N (%) n = 547 | Hormone receptor-negative N (%) n = 689 | P valuea | |
|---|---|---|---|
| Follow-up, median (IQR) | 7.8 (5.8–10.6) | 7.9 (5.5–10.6) | 1.00 |
| No events | 329 (60.1) | 425 (61.7) | 0.91 |
| Loco-regional recurrence | 45 (8.2) | 45 (6.5) | 0.28 |
| Distant recurrence +/− loco-regional recurrence | 88 (16.1) | 62 (9.0) | <0.001 |
| Second primary malignancy | 15 (2.8) | 28 (4.0) | 0.18 |
| Ovarian cancer | 7 (1.3) | 12 (1.7) | |
| Other | 6 (1.1) | 5 (0.7) | |
| Missing | 2 (0.4) | 11 (1.6) | |
| Second primary breast cancer | 66 (12.1) | 123 (17.9) | 0.005 |
| Death without any disease-free survival event | 4 (0.7) | 6 (0.9) | 0.75 |
IQR interquartile range.
aP-values for time-dependent events estimated by means of the Log-rank test.