Table 1.
Patient characteristics.
| Total | Adherent | PNA | SNA | |
|---|---|---|---|---|
| N (%) | 98 | 65 (66.3) | 11 (11.2) | 22 (22.4) |
| Age at diagnosis | ||||
| 70–79 | 66 (67.3) | 52 (80) | 6 (54.5) | 8 (36.4) |
| ≥80 | 32 (32.7) | 13 (20) | 5 (45.5) | 14 (63.6) |
| T-stage | ||||
| pT1a | 1 (1) | 1 (1.5) | 0 | 0 |
| pT1b | 15 (15.3) | 8 (12.3) | 6 (54.5) | 1 (4.5) |
| pT1c | 82 (83.7) | 56 (86.2) | 5 (45.5) | 21 (95.5) |
| Histopathological type | ||||
| Ductal | 74 (75.5) | 50 (76.9) | 8 (72.7) | 16 (72.7) |
| Lobular | 13 (13.3) | 8 (12.3) | 2 (18.2) | 3 (13.6) |
| Other | 10 (10.2) | 7 (10.8) | 1 (9.1) | 2 (9.1) |
| Unknown | 1 (1) | 0 | 0 | 1 (4.5) |
| Histopathological grade | ||||
| Grade 1 | 14 (14.3) | 9 (13.8) | 1 (9.1) | 4 (18.2) |
| Grade 2 | 65 (66.3) | 42 (64.6) | 9 (81.8) | 14 (63.6) |
| Grade 3 | 17 (17.3) | 13 (20) | 1 (9.1) | 3 (13.6) |
| Unknown | 2 (2) | 1 (1.5) | 0 | 1 (4.5) |
| HER-2 status | ||||
| Negative | 66 (67.3) | 44 (67.7) | 8 (72.7) | 14 (63.6) |
| Positive | 12 (12.2) | 10 (15.4) | 1 (9.1) | 1 (4.5) |
| Unknown | 20 (20.4) | 11 (16.9) | 2 (18.2) | 7 (31.8) |
| Axillary lymph node metastases | ||||
| 0 | 58 (59.2) | 37 (56.9) | 9 (81.8) | 12 (54.5) |
| 1–3 | 25 (25.5) | 19 (29.2) | 1 (9.1) | 5 (22.7) |
| ≥4 | 8 (8.2) | 7 (10.8) | 0 | 1 (4.5) |
| Unknown | 7 (7.1) | 2 (3.1) | 1 (9.1) | 4 (18.2) |
| Radiotherapy | ||||
| No | 56 (57.1) | 36 (55.4) | 7 (63.6) | 13 (59.1) |
| Yes | 42 (42.9) | 29 (44.6) | 4 (36.4) | 9 (40.9) |
| Chemotherapy | ||||
| No | 94 (95.9) | 61 (93.8) | 11 (100) | 22 (100) |
| Yes | 4 (4.1) | 4 (6.2) | 0 | 0 |