Table 2 Tumor characteristics
From: The prognostic value of the nodal ratio in N1 breast cancer
| Â | No. of patients (%) | Â | Â | Â |
|---|---|---|---|---|
|  | NR ≤0.15 (n = 100) | NR > 0.15 (n = 30) | p value | Total (n = 130) |
Histology | Â | Â | 0.011 | Â |
   IDC | 92 (92.0) | 22 (73.3) |  | 114 (87.7) |
   others | 8 (8.0) | 8 (26.7) |  | 16 (12.3) |
T stage | Â | Â | 0.166 | Â |
   T1a/T1b | 8 (8.0) | 6 (20.0) |  | 14 (10.8) |
   T1c | 42 (42.0) | 12 (40.0) |  | 54 (41.5) |
   T2 | 49 (49.0) | 10 (33.3) |  | 59 (45.4) |
   T3 | 1 (1.0) | 2 (6.7) |  | 3 (2.3) |
ER | Â | Â | 0.459 | Â |
   (-) | 23 (23.0) | 5 (16.7) |  | 28 (21.5) |
   (+) | 77 (77.0) | 25 (83.3) |  | 102 (78.5) |
PR | Â | Â | 0.155 | Â |
   (-) | 41 (41.0) | 8 (26.7) |  | 49 (37.7) |
   (+) | 59 (59.0) | 22 (73.3) |  | 81 (62.3) |
HER2 | Â | Â | 0.866 | Â |
   (-) | 72 (72.0) | 25 (83.3) |  | 107 (82.3) |
   (+) | 18 (18.0) | 5 (16.7) |  | 23 (17.7) |
   unknown | 10 (10.0) | 0 (0.0) |  |  |
ECE | Â | Â | 0.183 | Â |
   (-) | 74 (74.0) | 22 (73.4) |  | 97 (74.6) |
   (+) | 26 (26.0) | 7 (23.3) |  | 33 (25.4) |
   unknown | 0 (0.0) | 1 (3.3) |  |  |
LVI | Â | Â | 0.175 | Â |
   (-) | 52 (52.0) | 14 (47.7) |  | 67 (51.5) |
   (+) | 48 (48.0) | 15 (50.0) |  | 63 (48.5) |
   unknown | 0 (0.0) | 1 (3.3) |  |  |
Resection margin | Â | Â | 0.868 | Â |
   (-) | 91 (91.0) | 27 (90.0) |  | 118 (90.8) |
   close or (+) | 9 (9.0) | 3 (10.0) |  | 12 (9.2) |
Tumor grade | Â | Â | 0.297 | Â |
   G1/G2 | 63 (63.0) | 22 (73.3) |  | 85 (65.4) |
   G3 | 37 (37.0) | 8 (26.7) |  | 45 (34.6) |