Table 1:

Comparison of baseline characteristics Between Survivors and Non-survivors

	Totals (N=2400)	Non-Survivors (N=1188)	Survivors (N=1163)	P value
Age in years (Median, SD)	56.9 (43.6–66)	60.2(48.9–67.9)	52.9(38.4–62.9)	<0.001
Age Group (years)
18–38	851(35.4%)	44.1%	26.9%	<0.001
39–52	621(25.8%)	26.2%	25.1%	0.55
53–62	483(20.1%)	16.3%	23.8%	<0.001
≥63	445(18.5%)	13.2%	23.9%	<0.001
Women	37.0%	35.6%	37.8%	0.26
Race
White	1364(56.8%)	55.7%	57.8%	0.005
Black	296(12.3%)	11.4%	12.8%	0.29
Asian	274(11.4%)	11.6%	11.4%	0.31
Hispanic	178 (7.4%)	7.2%	7.6%	0.89
Weight (kg)
≤ 65	936(39.0%)	39.1%	38.7%	0.85
65–88	487(20.2%)	18.7%	21.9%	0.058
≥89	977(40.7%)	42.0%	39.2%	0.16
SAVE Score Comorbidities
Liver Dysfunction	181(7.5%)	9.3%	5.6%	0.001
Chronic Renal Failure	174(7.2%)	8.5%	5.8%	0.01
Congenital Heart Disorders	97(4.0%)	4.7%	3.2%	0.07
Myocarditis	135(5.6%)	3.2%	8.1%	<0.001
VT/VF	161(6.7%)	6.3%	6.7%	0.63
Post Heart/Lung Transplant *	69(2.8%)	2.4%	3.4%	0.15
Need for Renal Replacement Therapy	210(8.7%)	10.8%	6.4%	<0.001
SAVE score (median, IQR)	5 (2–8)	4(1–6)	6(3–8)	<0.001
SAVE score (mean, SD)	4.7 (±4.1)	3.6(4.0)	5.7(4.0)
Pre-ECLS Intubation (hours)
≤10	392(16.3%)	20.1	12.6	<0.001
11–29	468(19.5%)	19.1	19.5	0.84
≥30	1540(64.1%)	60.6	67.8	<0.001
ECLS Characteristics
Run-time (hours)	119 (71–208)	118(68–228)	119.5(75–193)	0.94
Flow at 4 hrs	4(3.3–4.5)	4.0(3.32–4.57)	3.95(3.26–4.50)	0.10
Flow at 24hrs	4.0(3.3–4.6)	4.07(3.5–4.70)	4.0(3.23–4.56)	<0.001
Mode
Veno-Arterial (VA)	2346 (97.7%)	96.6%	98.9%	<0.001
Venovenous-Arterial (VVA)	54(2.2%)	3.3%	1.0%	<0.001

ECLS = extracorporeal life support, SAVE = Survival after Veno-arterial ECMO, VT/VF = ventricular tachycardia or ventricular fibrillation

^*Includes patients with heart only, lung only, and dual heart/lung transplants