Table 4 Cox Regression model for the prediction of OS using CTC count by the filtration based method and covariates
Characteristic | HR | 95% CI | p-value | |
|---|---|---|---|---|
Age | Per year | 0.99 | 0.96–1.02 | 0.47 |
Hormone receptor status | Negative | 1 (reference) | ||
Positive | 1.50 | 0.56–4.06 | 0.41 | |
HER2 Status | Negative | 1 (reference) | ||
Positive | 0.89 | 0.35–2.25 | 0.80 | |
Grading | Per grade | 1.45 | 0.70–3.00 | 0.32 |
Therapy line | Per line | 0.98 | 0.75–1.26 | 0.85 |
CTC count | 0 | 1 (reference) | ||
≥1 | 4.20 | 1.86–9.46 | 0.001 |