Table 1.
Patients and tumor characteristics at mCHT start.
| Characteristics | ≥ 75 years (%) N = 112 |
< 75 years (%) N = 472 |
|---|---|---|
| HR status (at primary diagnosis) | ||
| ER+ /PgR+ | 56 (50.0) | 318 (67.4) |
| ER+ /PgR− or ER− /PgR+ | 22 (19.6) | 91 (19.3) |
| TNBC | 34 (30.4) | 63 (13.3) |
| PS | ||
| 0 | 45 (40.2) | 300( 63.6) |
| 1 | 52 (46.4) | 138 (29.2) |
| 2 | 14 (12.5) | 28 (5.9) |
| 3 | 1 (–) | 4 (–) |
| Not available | 0 | 2 |
| Metastatic sites | ||
| Bone | 63 (56.3) | 333 (70.6) |
| Lung | 25 (22.3) | 157 (33.3) |
| Liver | 30 (26.8) | 199 (42.2) |
| Soft tissue | 22 (19.6) | 88 (18.7) |
| Others | 35 (31.3) | 181 (38.3) |
| Number of metastatic sites | ||
| 1 | 59 (52.7) | 147 (31.1) |
| 2 | 38 (33.9) | 200 (42.4) |
| ≥ 3 | 12 (10.7) | 118 (25.0) |
| NA | 3 (2.7) | 7 (1.4) |
| Number of treatments before mCHT | ||
| 0 | 37 (33.0) | 74 (15.7) |
| 1 | 33 (29.5) | 84 (17.8) |
| 2 | 17 (15.2) | 106 (22.5) |
| ≥ 3 | 25 (22.3) | 208 (44.1) |