Table 3.

Cox Regression Analysis Regarding Correlations Between All-Cause Mortality and Barthel Index

Variable	Univariate Analysis			Multivariate Analysis
	HR	95% CI	P-value	HR	95% CI	P-value
BI			<0.001			0.004
G1 vs G3	3.392	2.342–4.912	<0.001	2.147	1.372–3.359	0.001
G2 vs G3	2.109	1.436–3.099	<0.001	1.747	1.105–2.761	0.017
Age	1.050	1.040–1.061	<0.001	1.017	1.002–1.033	0.023
Sex	1.641	1.281–2.101	<0.001	1.066	0.721–1.575	0.749
Smoking	1.287	1.098–1.437	0.005	1.194	0.819–1.739	0.357
Drinking	1.352	1.148–1.507	0.002	0.881	0.614–1.265	0.493
Hypertension	1.108	0.875–1.405	0.045	1.145	0.848–1.546	0.378
Diabetes	1.404	1.094–1.803	0.008	1.305	0.959–1.776	0.091
Gensini score	1.006	1.004–1.008	<0.001	1.004	1.001–1.006	0.002
GRACE score			<0.001			<0.001
Mediuma vs lowb risk	2.707	1.121–6.538	0.027	1.850	0.748–4.576	0.183
Highc vs low risk	14.439	6.419–32.482	<0.001	6.191	2.611–14.679	<0.001

Notes: ^aMedium risk: 108–140; ^bLow risk: ≤108; ^cHigh risk: >140.

Abbreviations: BI, Barthel index; GRACE score, Global Registry of Acute Coronary Events score; HR, hazard ratio; CI, confidence interval.