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

Table 1 Main clinical and echocardiographic characteristics of patients, mean ± SD

Parameter	Frequency or mean value, n = 125
Age, years	46.4 ± 15.1
Sex, male, %	59.2
Death, %	14.4
Transplantation, %	6.4
Death + transplantation, %	19.2
Sudden cardiac death, %	8.9
LVEF, %	38.6 ± 14.0
LVEDD, cm	6.1 ± 0.9 (3.8-8.2)
LVEDV, mL	158.1 ± 67.8 (29.0-501.0)
LVESV, mL	102.3 ± 58.6 (19.0-386.0)
E/A ratio	1.33 (0.95-2.30)
IVS thickness, mm	10.0 (8.0-11.0)
LA volume, mL	97.1 ± 38.1 (30.0-190.0)
RA volume, mL	63.0 (47.0-88.3)
RVEDD, cm	3.0 ± 0.7
SPAP, mmHg	36.1 ± 16.9
Ventricular tachycardia, %	50.4
Premature ventricular beats > 500/day, %	47.2
Atrial fibrillation/flutter, %	30.4
Sick sinus syndrome, %	10.5
AV block, I-III degree, %	14.5
Bundle branch block, %	42.3
NYHA chronic heart failure, III-IV, %	36.8
Thrombosis + embolism, %	23.2
Presence of superimposed myocarditis, %	54.0
Myocardial infarction (necrosis), %	15.0
Angina pectoris, %	20.0
Arterial hypertension, %	41.8

LVEF: Left ventricular ejection fraction; LVEDD: Left ventricular end diastolic diameter; LVEDV: Left ventricular end diastolic volume; LVESV: Left ventricular end systolic volume; IVS: Interventricular septum; LA: Left atrium; RA: Right atrium; RVEDD: Right ventricular end diastolic diameter; SPAP: Systolic pulmonary artery pressure; AV: Atrioventricular.