Table IV.

Univariate and multivariate analysis of disease-free survival in 188 patients with TNBC.

	Univariate		Multivariate
Parameters	HR	95% CI	P-value	HR	95% CI	P-value
Age (>50 years vs. ≤50 years)	2.007	1.041–3.870	0.038	2.003	1.030–3.896	0.041
Tumor grade (III vs. I–II)	1.490	0.759–2.926	0.247	1.538	0.781–3.029	0.213
Tumor size (>5 cm vs. ≤5 cm)	1.258	0.594–2.666	0.549	0.700	0.291–1.687	0.427
Lymph node metastasis (Yes vs. no)	2.350	1.181–4.678	0.015	1.783	0.808–3.935	0.152
Clinical stage (III vs. I–II)	2.502	1.312–4.770	0.005	2.378	1.029–5.497	0.043
AR (Positive vs. negative)	1.019	0.466–2.229	0.962	1.272	0.572–2.828	0.555
Ki-67 (≥14 vs. <14)	1.677	0.699–4.023	0.247	1.488	0.614–3.603	0.379

TNBC, triple negative breast cancer; HR, hazard ratio; CI, confidence interval; AR, androgen receptor.