Table 3. Multivariate analysis.

Multivariate	p	HR (95% CI)
Age < 50 years	0.823	1.1 (0.4–2.8)
Positive surgical margins	0.2	2.163 (0.6–7.1)
Positive lymphovascular permeations	0.213	2.171 (0.6–7.3)
Stage I vs.	—	—
Stage II	0.923	1.06 (0.3–4)
Stage III	0.099	3.246 (0.8–13.1)
Stage IV	0.152	5.45 (0.5–55–5)
Luminal A	0.193	0.482 (0.2–1.4)
No adjuvant RT	0.001	6.588 (2.1–19.9)