Table 5.

Univariate and Multivariate Analyses of Clinical and Pathological Variables for DFS

Variable	Univariate Analyses		Multivariate Analyses
HR(95% CI)	P-value	HR(95% CI)	P-value
Age (<35 vs ≥35)	0.75(0.31–1.75)	0.499	0.70(0.30–1.67)	0.424
TNM stage (I+II vs III)	2.35(1.34–4.12)	0.003	2.28(1.29–4.01)	0.004
Hormone receptor status (ER+ and/or PR+ vs ER- and PR-)	0.40(0.27–0.59)	<0.001	0.53(0.35–0.82)	0.004
Her-2 status (Her-2+ vs Her-2-)	0.77(0.40–1.48)	0.439	0.63(0.32–1.23)	0.178
Tumor grade (G1+G2 vs G3)	2.58(1.68–3.96)	<0.001	1.89(1.20–2.98)	0.006
Ki67 (14%< vs≥14%)	3.14(1.34–7.39)	0.009	3.07(1.27–7.39)	0.013

Abbreviations: DFS, disease-free survival; ER, estrogen receptor; PR, progesterone receptor; Her-2, human epidermal growth factor receptor 2; HR, hazard ratio; CI, confidence interval.