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Table 3 Cox Regression model for the prediction of OS using CTC count by CellSearch® and covariates

From: Filtration based assessment of CTCs and CellSearch® based assessment are both powerful predictors of prognosis for metastatic breast cancer patients

Characteristic   HR 95% CI p-value
Age Per year 1.00 0.97–1.03 0.91
Hormone receptor status Negative 1 (reference)   
  Positive 0.44 0.17–0.85 0.08
HER2 Status Negative 1 (reference)   
  Positive 0.32 0.13–0.85 0.02
Grading Per grade 1.08 0.58–2.02 0.82
Therapy line Per line 1.01 0.78–1.32 0.93
CTC count 0 1 (reference)   
  ≥1 5.20 2.18–12.43 0.0002
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