Table 2.

Factors associated with not having ischaemic symptoms documented in myocardial infarction patients in a multivariable model.

Variable	O.R.	95% C.I.	p value
Age (per 10 year increase)	1.21	1.07–1.38	0.003
Prior stroke	1.75	1.04–2.94	0.046
Chronic renal insufficiency	1.86	1.27–2.73	0.005
Diabetes	1.68	1.20–2.35	0.007
Lack of prior coronary artery disease*	1.95	1.35 –2.80	0.002
Heart failure	1.45	1.00–2.12	0.065
Non ST-elevation MI	2.71	1.70 – 4.34	<0.001
Non Caucasian race	0.95	0.61–1.50	0.836
Female gender	1.16	0.82–1.64	0.394
Alcohol abuse	1.31	0.87–1.97	0.207
Chronic Lung Disease	0.90	0.87–1.97	0.623

^*Defined as lack of prior MI, angina, or coronary revascularization.