Table 4. Multivariable logistic regression for in-hospital mortality and multinomial logistic regression for cardiovascular or non-cardiovascular death.

	All-cause death		Cardiovascular death		Non-cardiovascular death
	Adjusted OR (95% CI)	p	Adjusted OR (95% CI)1)	p	Adjusted OR (95% CI)1)	p
Elderly (≥70 years)	1.593 (1.138:2.231)	0.007
Body mass index (≥25 kg/m2)	0.609 (0.410:0.906)	0.014	0.649 (0.417:1.009)	0.055	0.435 (0.190:0.998)	0.049
SBP (<100 mmHg)	2.447 (1.688:3.546)	<0.001	2.331 (1.558:3.497)	<0.001	2.242 (1.081:4.651)	0.030
NYHA III or IV			2.658 (1.145:6.171)	0.023	0.423 (0.194:0.920)	0.030
Chronic renal failure	5.67 (3.656:8.794)	<0.001	4.770 (2.903:7.835)	<0.001	8.830 (3.555:21.930)	<0.001
Acute renal failure at admission	13.315 (9.09:19.503)	<0.001	12.236 (7.995:18.727)	<0.001	19.234 (8.413:43.978)	<0.001
Ischemia as an aggravating factor	1.585 (1.131:2.222)	0.008	2.082 (1.413:3.068)	<0.001	1.142 (0.541:2.410)	0.727
Infection as an aggravating factor			1.388 (0.893:2.158)	0.145	2.906 (1.512:5.585)	0.001
Beta-blockers before admission	0.657 (0.453:0.951)	0.026
Q wave at ECG	2.067 (1.409:3.034)	<0.001	2.296 (1.522:3.465)	<0.001	1.024 (0.387:2.706)	0.962
RBBB at ECG	1.781 (1.082:2.930)	0.023
Other IVCD at ECG	2.695 (1.699:4.275)	<0.001	2.216 (1.322:3.713)	0.003	3.304 (1.366:7.993)	0.008
Leukocytosis	1.6 (1.153:2.219)	0.005	1.461 (1.011:2.113)	0.049	1.731 (0.918:3.265)	0.090
Hyponatremia	1.806 (1.303:2.503)	<0.001	1.835 (1.274:2.646)	0.001	1.319 (0.688:2.532)	0.405
LVEF ≤40%			1.560 (1.025:2.375)	0.038	0.550 (0.288:1.049)	0.070
C-statistics	0.865

OR: odds ratio, CI: confidential interval, SBP: systolic blood pressure, ECG: electrocardiography, RBBB: right bundle branch block, IVCD: intraventricular conduction delay, Leukocytosis: white blood cell count ≥10000/mm³, Hyponatremia: serum sodium <135 mmEq/L, LVEF: left ventricular ejection fraction