Table 4.

Univariate and multivariate logistic regression for 6-month mortality (N = 996)

	Unadjusted Odds Ratio (95% CI)	P	Adjusted Odds Ratio (95% CI)	P
Age, years	1.074 (1.038–1.112)	< 0.0001*	1.033 (0.98-1.088)	0.233
Males (vs Females)	0.508 (0.230–1.121)	0.093	0.592 (0.17–2.053)	0.592
Past histories
Smoker (vs non smoker)	0.755 (0.332–1.715)	0.502
Hypertension (vs non hypertension)	1.291 (0.598–2.789)	0.515
Diabetes (vs non diabetes)	1.002 (0.425–2.367)	0.996
Hyperlipidemia (vs non hyperlipidemia)	0.191 (0.058–0.635)	0.007*	0.00 (0.00-0.00)	0.996
CHF (vs non CHF)	4.812 (2.132–10.861)	< 0.0001*	3.454 (0.705-16.93)	0.126
FHD, (vs non FHD)	0.442 (0.133–1.473)	0.184
Stroke (vs non stroke)	1.019 (0.303–1.473)	0.976
PAD (vs non PAD)	1.298 (.170–9.909)	0.801
First ED characteristics
Heart rate	1.007 (0.993–1.022)	0.318
SBP	0.979 (0.965–0.993)	0.004*	0.974 (0.95-0.999)	0.045*
DBP	0.977 (0.954-1.001)	0.061	1.045 (0.998–1.094)	0.114
NHYA class III, IV (vs NHYA class I,II)	5.314 (2.545–11.095)	< 0.0001*	2.519 (0.685-9.266)	0.165
Troponin Elevation ≥ 2× (vs < 2×)	8.04 (1.693–38.185)	0.009*	2.983 (0.494-18.01)	0.233
Creatinine elevation (vs normal)	11.137 (4.23–29.326)	< 0.0001*	7.48 (2.042-27.369)	0.002*
ST segment depression (vs normal)	4.190 (1.968–8.917)	< 0.0001*	1.006 (0.954-1.061)	0.815
HEART Score	1.603 (1.310–2.027)	< 0.0001*	0.81(0.487-1.349)	0.418
Onset- ED time	0.986 (0.964–1.008)	0.216
ED-ECG time	1.00 (1.000–1.000)	0.922

CHF Chronic heart failure, FHD Family history of heart disease, PAD Peripheral arterial disease, SBP Systolic blood pressure, DBP Diastolic blood pressure

Adjusted for age, gender, hyperlipidemia, CHF, SBP, DBP, ST segment depression, NHYA classification, troponin, HEART score and serum creatinine

*statistically significant