Table 2 First clinical performances and diagnostic methods of the three patient populations: DCIS, DCIS-Mi, and IDC
Parameter | DCIS | DCIS-Mi | IDC | P value |
|---|---|---|---|---|
Total number | 73 | 72 | 721 | Â |
First clinical performance | Â | Â | Â | Â |
Nipple discharge | 9 (12.3) | 8 (11.1) | 63 (8.7) | 0.51 |
 Bloody | 4 (5.5) | 3 (4.2) | 44 (6.1) | 0.776 |
 Yellow | 5 (6.8) | 5 (6.9) | 19 (3.3) | 0.062 |
Palpable tumor | 48 (65.8) | 50 (69.4) | 518 (71.8) | 0.52 |
 Pain | 3 (4.1) | 5 (5.9) | 37 (5.1) | 0.731 |
 Eczema | 1 (1.4) | 1 (1.4) | 29 (4.0) | 0.22 |
 Asymptomatic | 12 (16.4) | 8 (11.1) | 74 (10.3) | 0.27 |
Diagnostic methods | Â | Â | Â | Â |
Ultrasound | Â | Â | Â | Â |
 Catheter widened | 65 (89) | 56 (77.8) | 450 (62.4) | 0.000 |
 Solid and cystic | 3 (4.1) | 1 (1.4) | 21 (2.9) | 0.589 |
 Nodular mass | 56 (76.7) | 53 (73.6) | 648 (89.9) | 0.003 |
 Structural disorder | 56 (76.7) | 44 (61.6) | 486 (67.4) | 0.125 |
 Calcifications | 37 (50.7) | 34 (47.2) | 342 (47.7) | 0.866 |
Mammography | Â | Â | Â | Â |
 Calcifications | 60 (82.2) | 63 (87.5) | 631 (87.5) | 0.431 |
 Nodular mass | 30 (41.1) | 25 (34.7) | 532 (73.8) | 0.000 |