Table 1 Description of the 1152 patients included in the sample.
Variable | Category | N (%) |
|---|---|---|
Age (mean ± sd) | 56.2 ± 12.2 | |
Age | < 65 | 864 (75.0) |
≥ 65 | 288 (25.0) | |
Grade of differentiation | I (well differentiated) | 260 (22.6) |
II (moderately differentiated) | 367 (31.9) | |
III (poorly differentiated) | 222 (19.3) | |
Missing | 303 (26.3) | |
Histological type | Ductal | 918 (79.7) |
Lobular | 82 (7.1) | |
Papilar | 16 (1.4) | |
Others | 136 (11.8) | |
Pathological stage | 0 | 36 (3.1) |
I | 519 (45.1) | |
II | 597 (51.8) | |
Progesterone receptors | Negative | 262 (22.7) |
Positive | 887 (77.0) | |
Missing | 3 (0.3) | |
Oestrogen receptors | Negative | 155 (13.5) |
Positive | 996 (86.4) | |
Missing | 1 (0.1) | |
HER2 receptors | Negative | 953 (82.7) |
Positive | 199 (17.3) | |
Intrinsic subtype | Luminal A-like | 687 (59.6) |
Luminal B-like | 324 (28.1) | |
HER2 positive (non-luminal) | 52 (4.5) | |
Triple negative (ductal) | 89 (7.7) | |
Recurrence in the follow-up | No | 1066 (92.5) |
Local | 20 (1.7) | |
Regional | 9 (0.8) | |
Distant | 57 (5.0) | |
Vital status at the end of follow-up | Alive | 1058 (91.1) |
Dead | 94 (8.9) |
