Table 1 Patient characteristics and CTC-HER status
Total | CTC-HER2-positive | p-value | |
|---|---|---|---|
Total, n (%) | 107 | 37 (35) | |
Age at primary diagnosis, years; median (range) | 49 (33–81) | 49 (35–77) | 0.594 |
Age at enrollment, years; median (range) | 57 (33–81) | 58 (40–77) | 0.517 |
ER status, n (%) | 0.253 | ||
Negative | 78 | 30 (38) | |
Positive | 29 | 7 (24) | |
PR status, n (%) | 0.673 | ||
Negative | 68 | 25 (37) | |
Positive | 39 | 12 (31) | |
Number of metastatic sites, n (%) | 0.799 | ||
One site | 21 | 8 (38) | |
Multiple sites | 86 | 29 (34) | |
Site of metastasis, n (%) | 0.626 | ||
Bone | 19 | 5 (26) | |
Visceral | 22 | 7 (32) | |
Both | 66 | 25 (38) | |
Line of therapy, n (%)a | 0.268 | ||
First | 51 | 18 (35) | |
Second | 22 | 10 (45) | |
Further | 33 | 8 (24) |