Table 1 Characteristics of the three patient populations: DCIS, DCIS-Mi, and IDC
Parameter | DCIS | DCIS-Mi | IDC | P value |
|---|---|---|---|---|
Total number | 73 | 72 | 721 | Â |
Age (mean ± SD) (year) | 48.96 ± 1.13 | 49.34 ± 1.01 | 52.23 ± 0.43 | 0.007 |
Menopausal | Â | Â | Â | <0.001 |
 Postmenopausal | 21 (28.77) | 28 (38.89) | 415 (57.60) |  |
 Premenopausal | 52 (71.23) | 44 (61.11) | 306 (42.40) |  |
Family history | Â | Â | Â | 0.791 |
 Positive | 6 (8.2) | 6 (8.3) | 48 (6.7) |  |
 Negative | 67 (91.8) | 66 (91.7) | 673 (93.3) |  |
Tumor size (cm) | Â | Â | Â | 0.238 |
 <2 | 38 (52.05) | 32 (44.44) | 302 (41.9) |  |
 ≥2 | 35 (47.95) | 40 (55.56) | 419 (58.1) |  |
Lymph node | Â | Â | Â | 0.000 |
 Positive | 5 (6.85) | 15 (20.83) | 279 (38.75) |  |
 Negative | 68 (93.15) | 57 (79.17) | 442 (61.25) |  |
ER | Â | Â | Â | 0.265 |
 Positive | 44 (60.27) | 42 (58.33) | 478 (66.25) |  |
 Negative | 29 (39.73) | 30 (41.67) | 243 (33.75) |  |
PR | Â | Â | Â | 0.736 |
 Positive | 41 (56.20) | 37 (51.40) | 405 (56.25) |  |
 Negative | 32 (43.80) | 35 (48.6) | 316 (43.75) |  |
Her-2 | Â | Â | Â | 0.000 |
 Positive | 47 (64.38) | 48 (66.67) | 307 (42.60) |  |
 Negative | 26 (35.62) | 24 (33.33) | 414 (57.40) |  |
Over Her-2 | Â | Â | Â | 0.000 |
 Positive | 35 (47.95) | 36 (50.00) | 180 (25.00) |  |
 Negative | 38 (52.05) | 36 (50.00) | 541 (75.00) |  |
Subtype | Â | Â | Â | 0.000 |
 Luminal-A | 23 (31.51) | 21 (29.17) | 325 (45.00) |  |
 Luminal-B | 26 (35.62) | 25 (34.72) | 162 (22.50) |  |
 ERBB2+ | 21 (28.77) | 23 (31.94) | 144 (20.00) |  |
 Basal-like | 3 (4.10) | 3 (4.17) | 90 (12.50) |  |