Table 3.

Univariate and multivariate logistic regression for 30-day mortality (N = 996)

	Unadjusted Odds Ratio (95% CI)	P	Adjusted Odds Ratio (95% CI)	P
Age, years	1.069 (1.023–1.117)	0.003*	1.031 (0.977-1.089)	0.262
Males (vs Females)	2.008 (0.702–5.744)	0.193
Past histories
Smoker (vs non smoker)	2.256 (0.644–7.905)	0.204
Hypertension (vs non hypertension)	1.094 (0.413–2.899)	0.857
Diabetes (vs non diabetes)	0.702 (0.2–2.464)	0.58
Hyperlipidemia (vs non hyperlipidemia)
CHF (vs non CHF)	2.254 (0.635–7.998)	0.209
FHD (vs non FHD)	1.153 (0.328–4.053)	0.824
Stroke (vs non stroke)	0.568 (0.075–4.332)	0.586
PAD (vs non PAD)
First ED characteristics
Heart rate	1.003 (0.982–1.024)	0.804
SBP	0.980 (0.962–0.990)	0.044*	0.990 (0.963-1.089)	0.486
DBP	0.973 (0.942–1.005)	0.1	1.02 (0.97–1.072)	0.435
NHYA class III, IV (vs NHYA class I,II)	3.557 (1.334–9.481)	0.011*	1.554 (0.405-5.972)	0.521
Troponin Elevation ≥2× (vs < 2×)	10.385 (1.228–87.874)	0.032*	2.471 (0.613-9.955)	0.203
Creatinine elevation (vs normal)	11.643 (3.947–34.347)	< 0.0001*	9.189 (2.319-36.407)	0.002*
ST segment depression (vs normal)	0.175 (0.061–0.5)	0.001*	1.026 (0.973-1.083)	0.34
HEART Score	1.622 (1.228–2.143)	0.001*	0.706 (0.404-1.231)	0.22
Onset- ED time	0.966 (0.919–1.015)	0.172
ED-ECG time	1 (1–1)	0.949

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, SBP, DBP,ST segment depression, NHYA classification, troponin, HEART score and serum creatinine

*statistically significant