1.
Baseline CTC comparison according to clinical characteristics in total TNBC (N=75)
| 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) | ||||