Table 3.

Predictors of all-cause mortality

Variables	Univariable Cox regression analysis		Multivariable Cox regression analysis
	HR (95% CI)	P-value	HR (95% CI)	P-value
Age (years)	1.074 (1.047–1.101)	<0.001	1.065 (1.038–1.092)	<0.001
Male sex	1.968 (1.167–3.321)	0.011	1.964 (1.162–3.320)	0.012
Type of stress	0.759 (0.101–5.703)	0.789
Exercise (reference)	1
Dipyridamole	0.859 (0.495–1.491)	0.588
Dobutamine	0.741 (0.332–1.654)	0.464
Adenosine	1.317 (0.175–9.890)	0.789
Hypertension (%)	1.547 (0.849–2.820)	0.154
Beta-blockers therapy (%)	1.016 (0.631–1.637)	0.948
Diabetes (%)	2.562 (1.613–4.070)	<0.001	1.946 (1.221–3.103)	0.005
Prior MI	1.280 (0.785–2.087)	0.322
Reduced EF (<50%)	1.866 (1.041–3.343)	0.03
A positivity	1.333 (0.731–2.430)	0.349
B positivity	2.621 (1.654–4.152)	<0.001
C positivity	1.581 (0.997–2.506)	0.051
D positivity	2.578 (1.624–4.093)	<0.001
E positivity	2.955 (1.848–4.725)	<0.001
ABCDE score 0	1		1
ABCDE score 1	2.182 (0.987–4.824)	0.054	1. 798 (0.811–3.988)	0.149
ABCDE score 2	2.974 (1.301–6.797)	0.010	2.187 (0.934–5.043)	0.066
ABCDE score 3	5.438 (2.352–12.573)	<0.001	3.472 (1.483–8.135)	0.004
ABCDE score 4	5.289 (2.095–13.354)	<0.001	4.045 (1.595–10.259)	0.004
ABCDE score 5	6.923 (2.573–18.625)	<0.001	5.678 (2.106–15.313)	<0.001

CI, confidence interval; EF, ejection fraction; HR, hazard ratio; MI, myocardial infarction.