Table 1. Patient characteristics at diagnosis (N=152).
| n | (%) | |
|---|---|---|
| Age (years), median (IQR) | 58 | (47-70) |
| Menopause | 98 | (64.5) |
| Comorbidities* | 89 | (61.0) |
| Cancer in family† | 39 | (35.5) |
| Breast cancer in family† | 18 | (16.5) |
| Histopathology: | ||
| Ductal carcinoma (NOS) | 128 | (84.2) |
| Lobular carcinoma | 1 | (0.7) |
| Medullary carcinoma | 14 | (9.21) |
| Apocrine carcinoma | 4 | (2.63) |
| Other | 5 | (3.29) |
| Tumor size (cm), median (IQR) | 2.2 | (1.55-2.95) |
| T1 | 57 | (37.5) |
| T2 | 83 | (54.6) |
| T3 | 12 | (7.9) |
| Lymph nodes | ||
| N0 | 90 | (59.2) |
| N1 | 35 | (23.0) |
| N2 | 12 | (7.9) |
| N3 | 15 | (9.9) |
| Lymph nodes examined, median (IQR) | 16 | (12-20) |
| Lymph nodes positive | 62 | (40.8) |
| Grade | ||
| I | 3 | (2.0) |
| II | 25 | (16.5) |
| III | 124 | (81.6) |
| Ki-67, median (IQR) | 57 | (29-77) |
| Ki67 <20 | 23 | (15.1) |
| Ki67 ≥20 | 129 | (84.9) |
Data are presented as number (percentage) of patients, if not specified otherwise; IQR = interquartile range; NOS = not otherwise specified; *data were missing for comorbidities in 6 (3.9%) patients; †due to too much data missing, family history was not included in analysis: cancer in family 42 (27.6%) data missing, breast cancer in family 43 (28.3%) data missing.