Table 1. Baseline characteristics and resuscitation variables of cardiac arrest patients who did and did not survive to hospital discharge.

Parameter	Survivors (n = 45)	Non-survivors (n = 54)	P value
Age (years)	68.79 ± 15.24	72.61 ± 12.41	0.115
Gender (male)	29 (64.4%)	29 (53.7%)	0.556
Diabetes mellitus	13 (28.9%)	17 (31.5%)	0.732
Hypertension	20 (44.4%)	15 (27.8%)	0.147
Coronary heart disease	11(24.4%)	14 (25.9%)	0.543
Heart failure	5 (11.1%)	6 (11.1%)	0.914
Arrhythmia	5 (11.1%)	3 (5.6%)	0.336
Cerebral vascular disease	12 (26.7%)	6 (11.1%)	0.066
COPD*	7 (15.6%)	6 (11.1%)	0.583
End-stage renal disease	6 (13.3%)	4 (7.4%)	0.333
Witnessed collapse	36(80.0%)	37 (68.5%)	0.175
Shockable rhythm	9 (20.0%)	5 (9.3%)	0.092
Cardiac cause of collapse	11 (24.4%)	13 (24.1%)	0.843
Epinephrine use during CPR	37 (82.2%)	49 (90.7%)	0.227
CPR duration (min)	23.80 ± 15.85	26.20 ± 15.70	0.506
APACHE II score at admission	25.98 ± 7.27	31.00 ± 8.81	0.003
Hypothermia treatment	20 (44.4%)	15 (27.8%)	0.094
Serum creatinine (mg/dL)	2.51 ± 2.71	2.99 ± 7.68	0.923
Estimated GFR†	42.04 ± 24.49	42.32 ± 22.42	0.951
Survival > one day
Favorable neurological outcome	14 (31%)	0	0.023

^*COPD: chronic obstructive pulmonary disease.

^†GFR: glomerular filtration rate.