Table 3. Baseline characteristics of patients on extracorporeal life support (ECLS) who developed heparin induced thrombocytopenia.

Variable	VA-ECMO (n=15)	VV-ECMO (n=13)	Total (n=28)	P value
Age, median (IQR)	49.0 (35.5–60.5)	41.0 (27.0–58.0)	43.0 (30.2–58.2)	0.278
Male, n (%)	10 (66.7)	8 (61.5)	18 (64.3)	1.000
Presentation, n (%)
Cardiac	15 (100.0)	0 (0.0)	15 (53.6)	<0.001
Myocardial infarction	6 (40.0)	0 (0.0)	6 (21.4)	0.035
Myocarditis	4 (26.7)	0 (0.0)	4 (14.3)	0.142
Cardiogenic shock	3 (20.0)	0 (0.0)	3 (10.7)	0.274
Ventricular arrhythmia	3 (20.0)	0 (0.0)	3 (10.7)	0.274
Decompensated heart failure	2 (13.3)	0 (0.0)	2 (7.1)	0.528
Alcohol-induced cardiomyopathy	1 (6.7)	0 (0.0)	1 (3.6)	1.000
Pericarditis	1 (6.7)	0 (0.0)	1 (3.6)	1.000
Endocarditis	1 (6.7)	0 (0.0)	1 (3.6)	1.000
Pulmonary	2 (13.3)	13 (100.0)	15 (53.6)	<0.001
Acute respiratory distress syndrome	1 (6.7)	8 (61.5)	9 (32.1)	0.007
Pneumonia	0 (0.0)	5 (38.5)	5 (17.9)	0.031
Pulmonary artery hypertension	1 (6.7)	2 (15.4)	3 (10.7)	0.900
Pneumothorax	0 (0.0)	1 (7.7)	1 (3.6)	0.942
H1N1 influenza	0 (0.0)	1 (7.7)	1 (3.6)	0.942
Pulmonary embolism	1 (6.7)	1 (7.7)	2 (7.1)	1.000
Deep vein thrombosis	0 (0.0)	1 (7.7)	1 (3.6)	0.942
Pulmonary contusion	0 (0.0)	1 (7.7)	1 (3.6)	0.942
Aspiration	0 (0.0)	1 (7.7)	1 (3.6)	0.942
Lung abscess	0 (0.0)	1 (7.7)	1 (3.6)	0.942
Wegener’s granulomatosis	0 (0.0)	1 (7.7)	1 (3.6)	0.942
Herpes simplex pneumonitis	0 (0.0)	1 (7.7)	1 (3.6)	0.942
Cardiac arrest, n (%)	2 (13.3)	1 (7.7)	3 (10.7)	1.000

VA, veno-arterial; VV, veno-venous; ECMO, extracorporeal membrane oxygenation; IQR, interquartile range.