Are Breast Cancer Molecular Classes Predictive of Survival in Patients with Long Follow-Up?

Table 2

Cox multivariate regression analysis for breast cancer survival in the entire cohort (𝑁=302).

Risk factors	Hazard ratio	95% CI*	P
Age at diagnosis	1.0	0.9-1.0	0.4
Histologic type	0.8	0.6–1.0	0.04*
Grade	1.4	1.0–1.9	0.05
Tumor size	1.2	0.9–1.7	0.2
Lymph node	2.4	1.5–3.7	0.000*
Luminal A	0.2	0.1–0.9	0.04*
Luminal B	0.2	0.1–0.8	0.03*
HER2 positive nonluminal	0.3	0.1–1.4	0.1
Triple negative	0.4	1.0–1.6	0.2

∗Statistically significant data.