Table 2.

Univariate and multivariate analyses for disease-free survival.

	Univariate			Multivariate
Variable	HR	95% CI	P value	HR	95% CI	P value
Age			0.594
≤40 vs >60	1.351	0.626–2.914	0.444
40–60 vs >60	0.994	0.548–1.803	0.984
Menopausal status
pre vs post	0.737	0.487–1.113	0.147
Differentiation
II vs III	0.730	0.457–1.164	0.186
TNM stage			0.008			0.008
II vs I	1.421	0.860–2.346	0.170	1.485	0.887–2.485	0.132
III vs I	2.758	1.446–5.259	0.002	2.858	1.469–5.563	0.002
Molecular subtype			0.194			0.049
Luminal B vs Luminal A	1.106	0.580–2.107	0.760	0.813	0.415–1.593	0.546
HER2-enriched vs Luminal A	0.986	0.497–1.956	0.967	0.701	0.337–1.458	0.342
Triple-negative vs Luminal A	1.626	0.930–2.843	0.088	1.493	0.849–2.626	0.164
miR-223
low vs high	3.960	2.201–7.126	<0.001	3.789	2.098–6.843	<0.001

CI, confidence interval; HR, hazard ratio.

The covariates in the Cox model were all categorical variables, and the adjusted p value and HR were derived from the model.

The p value of the univariate analysis is marked bold.