Table 4.

Variables associated with electrical storm recurrence by univariate and multivariate logistic regression analysis

	Univariable analysis		Multivariable analysis
Variables	OR (95% C.I.)	p		p
Age	1.01 [0.96–1.1]	0.595
Male	2 [0.38–10.3]	0.407
LVEF (%)	0.99 [0.94–1.04]	0.749
Structural heart disease	1.53 [0.16–14.1]	0.705
Ischemic cardiomyopathy	1.83 [0.46–7.1]	0.385
Presence of ICD	0.41 [0.08–1.99]	0.274
Syncope at admission	0.226 [0.70–1.01]	0.052
Presence of CRT	7.83 [1.14–53.7]	0.036	30.3 [2.1–432.8]	0.012
Cardiogenic shock at admission	8.0 [1.7–37.3]	0.008	13.8 [2.1–88.4]	0.006
Neutrophil : lymphocyte ratio	1.05 [0.99–1.11]	0.075	1.1 [1.0–1.5]	0.028

CI = confidence interval; CRT = cardiac resynchronization therapy; ICD = implantable cardiac defibrillator; LVEF = left ventricle ejection fraction; OR = odds ratio.