Table 1 Patient and tumor characteristics (n = 464)
Age at diagnosis | n (%) |
|---|---|
 20–49 | 146 (31.5) |
 50–59 | 186 (40.1) |
 50–69 | 96 (20.7 |
 70+ | 36 (7.8) |
Median (interquartile range) | 54 (49–62) |
Menopausal status | Â |
 Pre-menopausal | 121 (26.1) |
 Peri-menopausal | 40 (8.6) |
 Post-menopausal | 241 (51.9) |
Unknown | 62 (13.4) |
Method of detection | Â |
 Screen-detected | 250 (53.9) |
 Symptomatic | 53 (11.4) |
Unknowna | 161 (34.7) |
Lesion size (mammography, mm) | Â |
 0–19 | 158 (34.1) |
 20–50 | 109 (23.5) |
 ≥ 50 | 79 (17.0) |
unknown | 118 (25.4) |
Mean (± standard deviation) | 29.8 (25.2) |
Grade (based on surgical specimen) | Â |
 I | 139 (30.0) |
 II | 193 (41.6) |
 III | 132 (28.4) |
Upstage to IBC | Â |
 Yes | 68 (14.7) |
 No | 396 (85.3) |