Table 1 Baseline patients characteristics according to vital status
Characteristic | Alive, n = 1216 | Dead, n = 237 |
|---|---|---|
Age | 63 (52, 69) | 73 (65, 82) |
Menopausal status | ||
Post-menopausal | 896 (74%) | 215 (91%) |
Pre-menopausal | 258 (21%) | 18 (7.6%) |
Uncertain | 56 (4.6%) | 3 (1.3%) |
( Missing) | 6 | 1 |
Laterality | ||
Left | 618 (51%) | 135 (57%) |
Right | 598 (49%) | 102 (43%) |
Size (mm) | 17 (12, 22) | 22 (15, 31) |
(Missing) | 7 | 2 |
Number of lymph nodes involved | ||
≥ 4 | 102 (8.7%) | 38 (17%) |
1–3 | 336 (29%) | 46 (20%) |
No involvement | 708 (60%) | 136 (60%) |
Submicrometastasis | 25 (2.1%) | 6 (2.7%) |
(Missing) | 45 | 11 |
Nottingham histological grade | ||
I | 212 (18%) | 24 (10%) |
II | 569 (48%) | 95 (41%) |
III | 414 (35%) | 114 (49%) |
(Missing) | 21 | 4 |
Ki67 expression | ||
High | 163 (56%) | 27 (71%) |
Low | 128 (44%) | 11 (29%) |
(Missing) | 925 | 199 |
Histological type | ||
Ductal | 999 (82%) | 187 (79%) |
Lobular | 146 (12%) | 30 (13%) |
Other | 49 (4.0%) | 18 (7.6%) |
Ductal + lobular/other | 20 (1.6%) | 2 (0.8%) |
(Missing) | 2 | 0 |
HER2 expression | ||
Negative | 1,041 (86%) | 202 (86%) |
Positive | 164 (14%) | 33 (14%) |
(Missing) | 11 | 2 |
ER expression | ||
Negative | 158 (13%) | 61 (26%) |
Positive | 1,056 (87%) | 176 (74%) |
(Missing) | 2 | 0 |
PGR expression | ||
Negative | 321 (26%) | 99 (42%) |
Positive | 893 (74%) | 138 (58%) |
(Missing) | 2 | 0 |
Selenium (µg/L) | 72 (62, 82) | 63 (52, 74) |
SELENOP (mg/L) | 4.10 (3.34, 4.90) | 3.71 (2.75, 4.49) |
GPx3 (U/L) | 208 (177, 240) | 189 (152, 229) |