Table 1 Multivariate Cox proportional hazards analysis for the prediction of breast cancer patient survival (TCGA tumor) (HR: hazard ratio, CI: confidence interval)

Risk score (high vs. low)

9.01 (1.59–50.9)

0.0128

HER2 (positive vs. negative)

8.41 (1.39–51.1)

0.0207

Ductal vs. lobular

11.7 (0.00867–0.842)

0.0351

Stage (I, II vs. III, IV)

3.86 (0.815–18.3)

0.0888

PR (positive vs. negative)

15.0 (0.656–344)

0.0898

Age (over vs. under 55)

3.01 (0.793–11.4)

0.105

ER (positive vs. negative)

0.277 (0.0105–7.32)

0.443

 Luminal A

Reference

–

 Basal

8.23 (0.383–177)

0.178

 HER2

6.72 (0.353–128)

0.205

 Luminal B

0.726 (0.116–4.54)

0.732