Table 1.
Clinical characteristics of the included breast cancer patients. Note that the total numbers do not add up to 100% of the patients, because with the exception of relapse-free survival data, not all patients had all data available
| Feature | n (%) |
|---|---|
| Included datasets | 14 |
| Total number of patients | 2006 |
| Survival | |
| Median follow-up | 54.5 months |
| Number of patients with an event | 658 |
| Lymph node status | |
| Positive | 806 (58.5%) |
| Negative | 573 (41.5%) |
| Age (years) | 54.1 ± 12.5 |
| Size (cm) | 2.52 ± 1.42 |
| Estrogen receptor status | |
| Positive | 1401 (69.8%) |
| Negative | 605 (30.2%) |
| HER2 receptor status | |
| Positive | 457 (22.8%) |
| Negative | 1549 (77.2%) |
| Molecular subtype | |
| Basal | 410 (20.4%) |
| Luminal A | 939 (46.8%) |
| Luminal B | 462 (23.0%) |
| HER2 enriched | 195 (9.7%) |