Table 3.

The survival results of the studied endpoints from the univariable analysis

	Discovery cohort				Validation cohort
	HR	95% CI	p-value		HR	95% CI	p-value
Breast cancer-specific survival	9.790	3.151–30.417	8.01*10− 5		28.002	1.804-434.579	0.017
Overall survival	7.150	2.938–17.397	1.45*10− 5		2.483	0.337–18.315	0.372
Distant disease-free survival	8.215	2.867–23.539	8.83*10− 5		9.425	1.077–82.505	0.043
Disease-free survival	4.701	1.924–11.486	0.001		6.375	1.110-36.615	0.038
Relapse-free survival	1.761	0.388–7.985	0.463		2.852	0.142–57.159	0.493

CI = Confidence Interval; HR = Hazard Ratio