Table 2. Multivariate Analysis with Cox Model of Predictors for Disease Free and Overall Survival.

DFS - Disease free survival

OS - Overall survival

HR - Hazard ratio

PR - Progesterone receptor

pN - Pathological node

CI - Confidence interval

	Variables	HR (95%CI)	p value
DFS at 5 years	Age (<35 year)	2.375 (1.263-4.465)	0.007
	Multicentricity/Multifocality	2.802 (1.485-5.284)	0.001
OS at 5 years	Age (<35 year)	3.859 (1.244-11.967)	0.019
	Multicentricity/Multifocality	3.942 (1.378-11.273)	0.011
	PR (Negative)	4.946 (1.704-14.355)	0.003
	pN Stage (pN+)	3.891 (1.213-12.480)	0.022