Table 1.
Patient characteristics according to mammographic density (MD)
| MD | b (n = 124) | c (n = 155) | d (n = 13) | p value | |
|---|---|---|---|---|---|
| Age (years) | Median | 52 | 46 | 46 | 0.001* |
| Mean | 53.02 | 48.28 | 44.69 | ||
| Range | 26–78 | 25–83 | 32–61 | ||
| ER status | 0.014* | ||||
| + | 64 (51.6%) | 93 (60%) | 12 (92.3%) | ||
| − | 60 (48.4%) | 62 (40%) | 1 (7.7%) | ||
| PR status | 0.184 | ||||
| + | 21 (16.9%) | 41 (26.5%) | 3 (23.1%) | ||
| − | 58 (46.8%) | 67 (43.2%) | 3 (23.1%) | ||
| N/A | 45 (36.3%) | 47 (30.3%) | 7 (53.8%) | ||
| HER2 status | 0.648 | ||||
| + | 52 (41.9%) | 57 (36.8%) | 6 (46.2%) | ||
| − | 71 (57.3%) | 95 (61.3%) | 7 (53.8%) | ||
| N/A | 1 (0.8%) | 3 (1.9%) | 0 (0%) | ||
| FNA axillary node | + | 81 (65.3) | 103 (66.5%) | 8 (61.5%) | 0.929 |
| − | 43 (34.7%) | 52 (33.5%) | 5 (38.5%) | ||
| Molecular subtype | DCIS | 1 (0.8%) | 4 (2.6%) | 0 | 0.783 |
| IDC | 115 (92.8%) | 141 (91.1%) | 11 (84.6%) | ||
| ILC | 7 (5.6%) | 8 (5.16%) | 2 (15.4%) | ||
| Mucinous | 1 (0.8%) | 1 (0.6%) | 0 | ||
| Metaplastic | 0 | 1 (0.6%) | 0 |