Table 1.

Admission characteristics for all 385 patients

Characteristics	Survivors to Discharge 30.4 (n = 117)	Nonsurvivors 69.6 (n = 268)	p value
Age, mean±SD	60±15	67±18	0.001*
Male % (n)	52 (140)	56 (66)	0.5
Pre-arrest comorbidities
-BMI, mean±SD	29±7.5	29.5±7.4	0.48
-Hypertension, % (n)	54 (63)	63 (168)	0.39
-Myocardial infarction, % (n)	18 (21)	19 (51)	0.46
-Congestive heart failure, % (n)	29 (24.8)	88 (33)	0.12
-Diabetes mellitus, % (n)	29 (34)	35.8 (96)	0.45
-Cerebrovascular disease, % (n)	12 (14)	13.4 (36)	0.74
-Renal disease, % (n)	22.2 (26)	24.6 (66)	0.7
-Liver disease, % (n)	8 (6.9)	5.2 (14)	0.63
Smoking status, % (n)			0.9
-Current smoker	22.5 (25)	21 (48)
-Past smoker	33 (37)	36 (81)
-Never smoker	44 (49)	43 (97)
Pre-arrest CPC, % (n)			<0.001*
-CPC 1	74(86)	46 (112)
-CPC 2	15 (17)	24 (63)
-CPC 3	10 (12)	28 (74)
-CPC 4	0.9 (1)	2 (4)
Out of hospital cardiac arrest, % (n)	63 (74)	77 (206)	0.009
Initial Rhythm, % (n)			<0.001*
-Ventricular Fibrillation	44 (46)	14 (34)
-Pulseless electrical activity	42 (44)	50 (126)
-Asystole	14 (15)	37 (92)
Bystander CPR, % (n)			0.007
-No CPR	30 (35)	44 (118)
-Yes, by a bystander	21 (25)	24 (63)
-Yes, with medical personnel	49 (57)	33 (87)
Bystander Defibrillation, % (n)			0.003
-No defibrillation	50 (59)	67 (179)
-Yes, by a bystander	3 (4)	1 (2)
-Yes, with medical personnel	46 (54)	33 (87)
Time to ROSC, mean±SD	17±13	27±19	<0.001*
Therapeutic Temperature Management	77 (90)	75 (199)	0.79
ICU Length of stay, median (IQR)	12 (6.5–22)	4 (2–7)	<0.001*
Hospital Length of stay, median (IQR)	23 (13–33)	4 (2–8)	<0.001*

^*BMI = body mass index

^†CPC = cerebral performance score,

^‡CPR = cardiopulmonary resuscitation,

^§OOH = out-of-hospital