Table 1.

Comparison of baseline characteristics and post-CA care between the good and poor neurological outcome groups

	All [median (IQR)] n = 79	Good neurological outcomes [median (IQR)] n = 11	Poor neurological outcomes [median(IQR)] n = 68	P-value
Age	59.0 [48.5–64.5]	61.0 [42.5–67.5]	58.5 [51.3–64.0]	0.854
Sex (Male)	65 (82.3%)	6 (54.5%)	59 (86.8%)	0.021
Initial shockable rhythm	58 (73.4%)	6 (54.5%)	52 (76.5%)	0.150
EMS personnel witness	21 (26.6%)	8 (72.7%)	13 (19.1%)	0.001
Bystander CPR	46 (58.2%)	10 (90.9%)	36 (52.9%)	0.021
Existence of transient ROSC before hospital arrival	21 (26.6%)	6 (54.5%)	15 (22.1%)	0.059
Pre-hospital epinephrine use	18 (22.8%)	2 (18.2%)	16 (23.5%)	1
Pre-hospital defibrillation	58 (73.4%)	7 (63.6%)	51 (75.0%)	0.470
Cause of CA (ACS)	39 (48.8%)	5 (45.5%)	34 (50.0%)	1
Initial creatinine	1.10 (1.00–1.30)	1.10 [0.90–1.45]	1.10 [1.00–1.30]	0.854
Initial lactate	14.0 (10.8–16.0)	16.0 [10.7–16.5]	13.6 [10.8–16.0]	0.509
CAG performed	50 (62.5%)	7 (63.6%)	43 (63.2%)	1
PCI performed	26 (32.5%)	4 (36.4%)	22 (32.4%)	1
Induction of TTM	50 (62.5%)	9 (81.8%)	41 (60.3%)	0.312
Successful weaning from ECMO	24 (30.0%)	11 (100%)	13 (19.1%)	<0.001
Length of ICU stay	3.0 (1.0–11.0)	14.0 (11.5–19.5)	2.5 [1.0–7.3]	<0.001

IQR interquartile range, EMS emergency medical service, CPR cardiopulmonary resuscitation, ROSC return of spontaneous circulation, CA cardiac arrest, ACS acute coronary syndrome, CAG coronary angiography, PCI percutaneous coronary intervention, TTM targeted temperature management; ECMO, extracorporeal membrane oxygenation