Research Article

[Retracted] Evaluation of Liquid Biopsy in Patients with HER2-Positive Breast Cancer

Table 1

Clinical characteristics of all patients.

CharacteristicsTotal (%) (%)

Total (100%)19840 (20.2%)158 (79.8%)
Age (years)
 Median4949490.546
 Range29-8429-8430-79
ER and/or PR
 Positive15832 (20.3%)126 (79.7%)0.012
 Negative408 (20.0%)32 (80.0%)
TNM stage
 II7128 (39.4%)43 (60.6%)0.036
 III12712 (9.4%)115 (90.6%)
No. of metastasis
 13822 (57.9%)16 (42.1%)0.085
 ≥216018 (11.3%)142 (88.7%)
Number of CTCs21 (1-63/7.5 mL)