Table 1 Clinicopathologic characteristics of each subtype
|  | Luminal A (n = 123) | Basal-like (n = 31) | HER2 (n = 17) | Pvalue* |
|---|---|---|---|---|
Age (yrs) | Â | Â | Â | 0.509 |
Mean ± SD | 46.0 ± 10.5 | 48.2 ± 10.8 | 47.5 ± 10.2 | |
Median (range) | 45 (21–89) | 46 (30–70) | 45 (30–70) | |
Grade | Â | Â | Â | 0.000 |
 1 | 25 (20.3%) | 0 (0) | 0 (0) | |
 2 | 72 (58.5%) | 3 (9.7%) | 8 (47.1%) | |
 3 | 26 (21.1%) | 28 (90.3%) | 9 (52.9%) | |
Tumor size (cm) | Â | Â | Â | 0.113 |
 2≤ | 34 (27.6%) | 6 (19.4%) | 5 (29.4%) | |
 2-5 | 77 (62.6%) | 17 (54.8%) | 8 (47.1%) | |
〉5 | 12 (9.8%) | 8 (25.8%) | 4 (23.5%) | |
Lymph node involvement | Â | Â | Â | 0.991 |
 0 | 63 (51.2%) | 16 (51.6%) | 9 (52.9%) | |
 1-3 | 32 (26.0%) | 9 (29.0%) | 4 (23.5%) | |
 4-9 | 17 (13.8%) | 3 (9.7%) | 3 (17.6%) | |
 10 | 11 (8.9%) | 3 (9.7%) | 1 (5.9%) | |
Stage | Â | Â | Â | 0.981 |
 I | 27 (22.0%) | 6 (19.4%) | 4 (23.5%) | |
 II | 65 (52.8%) | 17 (54.8%) | 8 (47.1%) | |
 III | 31 (25.2%) | 8 (25.8%) | 5 (29.4%) |