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Table 4 Correlation with disease-free survival (Cox regression analysis)

From: Identification of biology-based breast cancer types with distinct predictive and prognostic features: role of steroid hormone and HER2 receptor expression in patients treated with neoadjuvant anthracycline/taxane-based chemotherapy

  n events 3-year survival rate (%) hazard ratio 95% CI p
biology-based tumor type 105 27     < 0.0001a
   HR+/HER2- 56 8 96.3 1.00   
   HR+/HER2+ 13 2 90.0 1.26 0.27-5.98 0.770
   HR-/HER2+ 12 8 33.3 9.32 3.45-25.13 < 0.0001
   HR-/HER2- 24 9 65.0 2.23 1.24-8.40 0.016
Ki67 96 21     
   <= 20% 79 16 87.7 1.00   
   > 20% 17 5 70.6 1.43 0.52-3.94 0.486
pCR 105 27     
   no pCR 95 26 80.0 1.00   
   pCR 10 1 90.0 0.29 0.04-2.15 0.227
ypN 105 27     
   ypN0 65 13 83.1 1.00   
   ypN1-2 40 14 52.4 2.46 1.142-5.302 0.021
  1. CI: confidence interval.
  2. a: overall significance.