Table 2: Multivariable Cox proportional hazard model for DFS: adjusted hazard ratios (HRs) according to age, and nodal stage, ER and HER2 status.

VariableAdjusted HR95% CI -value

Age (per each year)0.990.95–1.030.68
Nodal stage <0.01
 0 versus 2-30.190.06–0.56
 1 versus 2-30.180.04–0.93
ER negative versus positive4.051.53–10.72<0.01
HER2 negative versus positive0.670.24–2.080.49
ET-1 non-enriched versus ET-1 enriched0.160.03–0.770.02