Table 2.

 Multivariate analysis for predicting in-hospital mortality at admission (n = 4993)

	OR	95% CI for OR	p Value
Primary PCI	0.52	0.33 to 0.81	0.004
Thrombolysis	0.63	0.47 to 0.83	0.001
Admission year (per additional year)*	0.87	0.81 to 0.94	<0.001
Age (per additional year)	1.07	1.06 to 1.08	<0.001
Female sex	1.42	1.11 to 1.82	0.005
Heart rate (per additional beat/min)	1.011	1.006 to 1.015	<0.001
Systolic BP (per additional mm Hg)	0.98	0.98 to 0.99	<0.001
Killip class II	1.71	1.29 to 2.27	<0.001
Killip class III	3.61	2.49 to 5.24	<0.001
Killip class IV	5.97	3.51 to 10.17	<0.001
Q wave on ECG	1.43	1.13 to 1.83	<0.001
Pre-hospital CPR	3.02	1.98 to 4.59	<0.001

*From 1997 to 2002.

CI, confidence interval; OR, odds ratio.