. Author manuscript; available in PMC: 2017 May 1.

Published in final edited form as: J Cardiovasc Nurs. 2016 May-Jun;31(3):236–244. doi: 10.1097/JCN.0000000000000248

Table 3.

Cox Regression Modeling: Functional Status on Cardiac Event-free Survival (N = 313)

Variables	Hazard Ratio	Wald	Significance
^Simple Cox Regression Functional status (DASI score)*	956	12.213	< .001
^**Multiple Cox Regression Age	1.010	868	352
Gender	.512	5.067	.024
Ethnicity	1.423	1.380	.240
Education	.983	.234	.628
Living status	.735	1.613	.204
Financial status	.932	.135	.713
LVEF	.987	2.280	.131
Comorbidity	1.027	.199	.656
Taking ACEI	.801	.696	.404
Taking BB	.630	1.741	.187
Functional status (DASI score)	.956	11.726	.001

χ² = 12.876, p < .001;

^**

χ² = 29.015, p = 0.002

ACEI = angiotensin-converting-enzyme inhibitor; BB = beta blocker; DASI = Duke Activity Status Index; LVEF = left ventricular ejection fraction