Table 1 Characteristics of the included patients
Characteristic | Full cohort (n = 335) | % | Censored (n = 307) | Died (n = 28) |
|---|---|---|---|---|
Age | ||||
Median age (range) | 53 (26–89) | 53 (26–89) | 56 (34–80) | |
< 41 | 27 | 8.1 | 23 | 4 |
41–55 | 159 | 47.5 | 153 | 6 |
≥ 55 | 149 | 44.5 | 131 | 18 |
Histologic grade | ||||
I | 22 | 6.6 | 22 | 0 |
II | 267 | 79.7 | 251 | 16 |
III | 46 | 13.7 | 34 | 12 |
Pathological type | ||||
Invasive carcinoma of no special type | 270 | 80.6 | 247 | 23 |
Invasive lobular carcinoma | 15 | 4.5 | 14 | 1 |
Mixed carcinoma | 14 | 4.2 | 14 | 0 |
Micropapillary carcinoma | 15 | 4.5 | 12 | 3 |
Invasive papillary carcinoma | 5 | 1.5 | 4 | 1 |
Neuroendocrine carcinoma | 5 | 1.5 | 5 | 0 |
Metaplastic carcinoma | 1 | 0.3 | 1 | 0 |
Microinvasive carcinoma | 10 | 3 | 10 | 0 |
T stage | ||||
1 | 206 | 61.5 | 191 | 15 |
2 | 126 | 37.6 | 113 | 13 |
3 | 3 | 0.9 | 3 | 0 |
4 | 0 | 0 | 0 | 0 |
N stage | ||||
0 | 180 | 53.7 | 173 | 7 |
1 | 98 | 29.3 | 90 | 8 |
2 | 41 | 12.2 | 38 | 3 |
3 | 16 | 4.8 | 6 | 10 |
LVI status | ||||
− | 220 | 65.7 | 205 | 15 |
+ | 115 | 34.3 | 102 | 13 |
TNM stage | ||||
I | 133 | 39.7 | 127 | 6 |
II | 142 | 42.4 | 133 | 9 |
III | 60 | 17.9 | 47 | 13 |
Percentage of ER expression (%) | ||||
Mean (SD) | 79.36 (23.53) | 80.33 (22.42) | 68.62 (32.05) | |
Percentage of PR expression (%) | ||||
Mean (SD) | 56.69 (34.57) | 56.28 (33.96) | 39.43 (37.12) | |
< 20 | 72 | 21.5 | 60 | 12 |
≥ 20 | 263 | 78.5 | 247 | 16 |
Ki67 status (%) | ||||
Mean (SD) | 25.12 (22.02) | 23.93 (21.14) | 38.21 (27.19) | |
< 60 | 292 | 87.2 | 274 | 18 |
≥ 60 | 43 | 12.8 | 33 | 10 |
P53 status | ||||
− | 176 | 52.5 | 163 | 13 |
+ | 159 | 47.5 | 144 | 15 |