Table 4.

Cox regression analysis of breast cancer DFS in relation to Aurora-B expression

	Univariate analysis		Multivariate analysis
Characteristic	HR (95% CI)	P	HR (95% CI)	P
Age	1.00 (0.98, 1.03)	0.793	0.99 (0.98, 1.02)	0.790
Stage	1.99 (1.39, 2.86)	1.89 × 10-4	1.84 (1.27, 2.67)	0.001
Radiotherapy	2.05 (1.31, 3.20)	0.002	1.87 (1.19, 2.94)	0.007
Aurora B	1.39 (1.04, 1.86)	0.028	1.35 (1.00, 1.83)	0.050