Table 4.

Multiple logistic and Poisson regression models with five-year mortality as the outcome variable.

Logistic Regression	Β	OR	p-Value	95% CI OR
Histological type (mixed vs. ductal)	1.66	5.25	<0.001	1.94–14.22
Age of patients (in years)	0.01	1.01	0.723	0.95–1.08
Grade of malignancy (Grade III vs. Grade II)	0.44	1.55	0.360	0.61–3.95
Lymphocytic infiltration	0.66	1.93	0.219	0.68–5.51
Lymph node metastases (>3)	0.32	1.38	0.430	0.62–3.10
Poisson Regression	B	RR	p- Value	95% CI RR
Histological type (mixed vs. ductal)	0.66	1.94	<0.001	1.36–2.75
Age of patients (in years)	0.01	1.01	0.688	0.98–1.03
Grade of malignancy (Grade III vs. Grade II)	0.17	1.18	0.380	0.81–1.72
Lymphocytic infiltration	0.29	1.34	0.250	0.81–2.22
Lymph node metastases (>3)	0.16	1.17	0.368	0.82–1.68