Table 6.

Multivariate analysis in patients who induced ventricular tachyarrhythmia during EPS

			Induction of ventricular tachycardia / ventricular fibrillation Ventricular
		OR	p value	CI
Age > 65 years		0.25	0.04	0.06 - 0.97
Ejection fraction < 35%		4.84	0.02	1.23 - 19.09
Beta-blocker use		1.30	0.64	0.39 - 4.33
QRS < 120 ms		1.35	0.65	0.37 - 4.90
	QRS-T angle
	Normal
	Borderline	1.23	0 80	0.24 - 6.14
	Abnormal	3.95	0.052	0.99 - 15.82