Table 3.

Final model of logistic regression defining the independent predictors of obstructive coronary artery disease

Variables	Beta	Odds Ratio (95%CI)	p Value
Age (each year)	0.025	1.03 (1.01 - 1.04)	0.003
Relief with nitrates	0.60	1.8 (1.1 - 3.0)	0.016
Ischemic ECG	1.10	3.0 (1.9 - 4.9)	< 0.001
Positive troponin	1.15	3.2 (1.9 - 5.1)	< 0.001
Male gender	1.16	3.2 (1.9 - 5.3)	< 0.001
Signs of LVF	1.55	4.7 (1.6 - 14)	0.004
Sensible to deep breath	----	----	0.06
Sensible to manual compression	----	----	0.18

LVF: left ventricular failure.