Table 4.

Predictors of in-hospital mortality following acute myocardial infarction after adjusting for clinical characteristics and patient clustering.

Variable	O.R.	95% C.I.	p value
Lack of documented ischaemic symptoms	3.21	1.76 – 5.84	<0.001
Age (per 10 year increase)	1.47	1.20 – 1.81	<0.001
Non Caucasian race	1.07	0.59 – 1.96	0.810
Female gender	1.14	0.67– 1.95	0.637
Cancer	1.96	1.01 – 3.81	0.044
Chronic heart failure	1.11	0.60 – 2.06	0.731
Diabetes	1.01	0.58 – 1.73	0.981
Chronic renal insufficiency	1.17	0.55 – 2.51	0.673
Initial heart rate (beats/min, per 10 unit increase)	1.11	1.02 – 1.21	0.015
Initial systolic blood pressure (mm Hg, per 10 unit decrease)	1.18	1.08 – 1.28	<0.001
Confirmed ST elevation MI	3.27	0.28 – 38.1	0.335
Initial creatinine (per 1 mg/dL increase)	1.16	1.05 –1.29	0.003
Killip class 4	2.29	0.77 – 6.78	0.127
No Aspirin (within 24 hrs of admit)	1.22	0.54 – 2.79	0.624
No Beta-blocker (within 24 hrs of admit)	3.27	1.91 – 5.59	<0.001
No Primary reperfusion therapy	1.99	0.78 – 5.08	0.143