| Total | CTC-positive | P value | Total | DTC-positive | P value |
---|---|---|---|---|---|---|
Total | 431 | 58 (13) | 414 | 107 (24) | Â | Â |
Tumor size | Â | Â | Â | Â | Â | Â |
   pT1 | 285 | 34 (12) | 0.47 | 274 | 66 (24) | 0.07 |
   pT2 to pT4* | 134 | 21 (16) | 130 | 40 (31) |  |  |
   bilateral | 10 | 2 (20) | 9 | 0 (0) |  |  |
Nodal status | Â | Â | Â | Â | Â | Â |
   Node-negative | 286 | 32 (11) | 0.04 | 273 | 71 (26) | 0.92 |
   Node-positive | 142 | 26 (18) | 137 | 35 (26) |  |  |
Histology | Â | Â | Â | Â | Â | Â |
   Ductal | 349 | 45 (13) | 0.33 | 337 | 85 (25) | 0.54 |
   Lobular | 65 | 12 (19) | 60 | 16 (27) |  |  |
   Others | 16 | 1 (6) | 16 | 6 (38) |  |  |
Grading | Â | Â | Â | Â | Â | Â |
   I | 58 | 6 (10) | 0.11 | 57 | 14 (25) | 0.76 |
   II | 270 | 32 (12) | 255 | 64 (25) |  |  |
   III | 102 | 20 (20) | 101 | 29 (29) |  |  |
ER status | Â | Â | Â | Â | Â | Â |
   Negative | 60 | 13 (22) | 0.05 | 57 | 15 (26) | 0.93 |
   Positive | 371 | 45 (12) | 357 | 92 (26) |  |  |
PR status | Â | Â | Â | Â | Â | Â |
   Negative | 75 | 17 (23) | 0.01 | 70 | 25 (36) | 0.04 |
   Positive | 356 | 41 (12) | 344 | 82 (24) |  |  |
HER2 | Â | Â | Â | Â | Â | Â |
   Negative | 380 | 49 (13) | 0.35 | 365 | 89 (24) | 0.06 |
   Positive | 51 | 9 (18) | 49 | 18 (37) |  |  |
Bone marrow status | Â | Â | Â | Â | Â | Â |
   Positive | 106 | 20 (19) | 0.05 |  |  |  |
   Negative | 299 | 34 (11) |  |  |  |  |
Immunhistochemical subtype | Â | Â | Â | Â | Â | Â |
   (ER-, PR-, HER2-) | 26 | 8 (30) | 0.01 | 23 | 7 (30) | 0.62 |
   (ER-, PR-, HER2+) | 11 | 0 | 11 | 4 (36) |  |  |
   (ER+ and/or PR+) | 394 | 50 (13) | 380 | 96 (25) |  |  |