Table V.

Prognostic factors for disease-free survival and overall survival of breast cancer patients in multivariate Cox regression analysis.

	Disease-free survival			Overall survival
Characteristics	HR	95% CI	P-value	HR	95% CI	P-value
Tumor size (≤2 vs. >2 cm)	0.115	0.044–0.302	<0.0001	0.113	0.043–0.298	<0.0001
TNM stage (I–II vs. III–IV)	1.252	0.939–1.668	0.126	1.243	0.932–1.658	0.138
Axillary lymph node status (negative vs. positive)	2.897	1.897–4.423	<0.0001	2.859	1.873–4.362	<0.0001
Recurrence or metastasis (yes vs. no)	0.649	0.426–0.988	0.044	0.661	0.434–1.006	0.054
Tumor subgroups (TNBC vs. non-TNBC)	0.190	0.127–0.283	<0.0001	0.188	0.126–0.280	<0.0001

HR, hazard ratio; CI, confidence interval; TNBC, triple-negative breast cancer.