Predictors of life-threatening events in adult patients with left ventricular noncompaction

Table 2 Factors associated with the development of ventricular tachycardia in left ventricular noncompaction patients, mean ± SD/median (minimum-maximum)

Parameter	Ventricular tachycardia (non-sustained and sustained)		P value
	Present	Absent
n	65	60
Mortality, %	20.6	6.5	0.019
NYHA CHF class	2.25 (1.90-3.00)	2.00 (0.75-3.00)	0.010
Myocarditis, %	69.4	38.7	0.001
LVEF, %	34.8 ± 13.6	42.4 ± 13.4	0.002
LVEDD, cm	6.2 ± 0.8	5.9 ± 0.9	0.035
SPAP, mmHg	40.7 ± 16.4	31.8 ± 16.3	0.015
LA volume, mL	103.8 ± 38.5	90.5 ± 36.8	0.026
Low QRS voltage by ECG, %	22.8	5.4	0.007
QRS duration by ECG, ms	119 (100-140)	100 (90-114)	0.001
Poor R wave progression, %	49.1	23.6	0.005
LBBB or RBBB, %	56.5	27.9	0.001
Duration of disease, months	60 (16.0-133.5)	24.5 (24.5-70.8)	0.026

NYHA: New York Heart Association; CHF: Chronic heart failure; LVEF: Left ventricular ejection fraction; LVEDD: Left ventricular end diastolic diameter; SPAP: Systolic pulmonary artery pressure; LA: Left atrium; ECG: Electrocardiogram; LBBB: Left bundle branch block; RBBB: Right bundle branch block.