Table 5.

Prognostic factors according to the multivariate Cox regression model

Variables	DFS		CSS
	HR (95% CI)	P value	HR (95% CI)	P value
Molecular subclasses
HER2+, ER−, PgR−* versus HER2+, ER+ and/or PgR+°	2.38 (1.24–4.57)	0.01	3.71 (1.32–10.39)	0.01
Pathological stage
II–III versus 0–I	3.51 (1.81–6.81)	<0.0001	6.36 (2.15–18.74)	0.001

DFS Disease-free survival, CSS-cancer specific survival, HER2 human epidermal growth factor type 2, ER estrogen receptors, PgR progesteron receptors

° Luminal B/HER2+, * nonluminal/HER2+, HR hazard ratio, CI confidence intervals