Table 1.
Patient and tumour characteristics
| Characteristics (n = 563) | |
|---|---|
| Age | |
| Median (years) | 58 |
| Range (years) | 29–92 |
| Presentation | |
| Screen-detected | 193 (34.3%) |
| Symptomatic | 353 (62.7%) |
| Unknown | 17 (3.0%) |
| Tumor size, pathologic | |
| Median (mm) | 14 |
| Range (mm) | 8–54 |
| Histological type | |
| Invasive ductal | 405(71.9%) |
| Invasive lobular | 49 (8.7%) |
| Tubular | 47 (8.3%) |
| Mixed | 42 (7.5%) |
| Mucinous | 9 (1.6%) |
| Medullary | 2 (0.4%) |
| Other | 9 (1.6%) |
| Histopathological grade | |
| I | 129 (22.9%) |
| II | 254(45.1%) |
| III | 172 (30.6%) |
| Lymph node status | |
| Negative | 381 (67.7%) |
| Positive | 176(31.3%) |
| Unknown | 6(1.1%) 481 (85.4%) |
| Oestrogen receptor status | |
| Positive | |
| Negative | 77 (13.7%) |
| Unknown | 5 (0.9%) |
| Nottingham Prognostic Index | (NPI) groups |
| Group 1 (< 2.4) | 94 (16.7%) |
| Group 2 (2.42–3.4) | 175(31.1%) |
| Group 3 (3.42–4.4) | 147 (26.1%) |
| Group 4 (4.42–5.4) | 87 (15.5%) |
| Group 5 (5.42–6.4) | 28 (5.0%) |
| Group 6 (> 6.4) | 15(2.7%) |