Table 3.

Predictors of primary ventricular fibrillation at logistic regression analysis.

Primary Ventricular Fibrillation	Univariate Logistic Regression			Multivariate Logistic Regression
	OR	95% CI	p	OR	95% CI	p
Age	0.74	0.57, 0.97	0.030
Arterial hypertension	0.99	0.50, 1.99	0.997
Diabetes Mellitus	0.76	0.41, 2.28	0.935
Killip class ≥ 3	7.06	2.85, 17.50	<0.001	6.19	2.37, 16.1	0.035
Anterior STEMI	2.26	1.15, 4.59	0.021
Triangular-Lambda wave	11.3	3.72, 34.2	<0.001	9.64	2.99, 31.0	0.027
R-wave ≥ 1.0 mV	2.09	1.06, 4.08	0.030

STEMI = ST-segment elevation myocardial infarction.