1.
Characteristics | Number of patients | n (%) | P | |
≤2 CTC/2 mL | >2 CTC/2 mL | |||
Age at diagnosis (year) | 0.878a | |||
≤45 | 28 | 16 (57.1) | 12 (42.9) | |
>45 | 47 | 26 (55.3) | 21 (44.7) | |
Unknown | 0 | |||
Histological type | 0.084a | |||
Ductal | 70 | 38 (54.3) | 32 (45.7) | |
Lobular | 1 | 1 (100) | 0 (0) | |
Others | 3 | 3 (100) | 0 (0) | |
Unknown | 1 | |||
Tumor grade | 0.781b | |||
I | 1 | 1 (100) | 0 (0) | |
II | 28 | 15 (53.6) | 13 (46.4) | |
III | 19 | 12 (63.2) | 7 (36.8) | |
Unknown | 27 | |||
Tumor stage | 0.164b | |||
I | 6 | 3 (50.0) | 3 (50.0) | |
II | 24 | 11 (45.8) | 13 (54.2) | |
III | 28 | 20 (71.4) | 8 (28.6) | |
IV | 8 | 5 (62.5) | 3 (37.5) | |
Unknown | 9 | |||
Bone metastasis at relapse | 0.587a | |||
Yes | 27 | 14 (51.9) | 13 (48.1) | |
No | 48 | 28 (58.3) | 20 (41.7) | |
Unknown | 0 | |||
Liver metastasis at relapse | 0.246a | |||
Yes | 21 | 14 (66.7) | 7 (33.3) | |
No | 54 | 28 (51.9) | 26 (48.1) | |
Unknown | 0 | |||
Lung metastasis at relapse | 0.131a | |||
Yes | 27 | 12 (44.4) | 15 (55.6) | |
No | 48 | 30 (62.5) | 18 (37.5) | |
Unknown | 0 | |||
Brain metastasis at relapse | 0.699a | |||
Yes | 9 | 4 (44.4) | 5 (55.6) | |
No | 66 | 38 (57.6) | 28 (42.4) | |
Unknown | 0 | |||
Number of visceral metastatic sitesc | 0.575b | |||
0 | 32 | 20 (62.5) | 12 (37.5) | |
1 | 32 | 17 (53.1) | 15 (46.9) | |
2 | 8 | 2 (25.0) | 6 (75.0) | |
3 | 3 | 3 (100) | 0 (0) | |
Table 1 (continued) |