Relationship between the Plasma Levels of Catecholamines and Return of Spontaneous Circulation in Patients with Out-of-Hospital Cardiac Arrest
Table 1
Comparisons between the two groups.
ROSC (+) (n = 34)
ROSC (–) (n = 62)
value
Age (years)
80.5 (68.3, 85.5)
82.0 (72.3, 87.0)
0.642
Male/female ratio
21/13
31/31
0.269
Bystander CPR
20 (58.8%)
28 (45.6%)
0.200
ECG at arrival of emergency service
<0.001
VF
8
0
PEA
14
13
Asystole
12
49
Prehospital resuscitation time (min)
16.0 (12.3, 20.8)
18.0 (15.0, 23.0)
0.053
Frequency of prehospital defibrillation
0 (0, 1)
0 (0, 0)
<0.001
Resuscitation time after arrival at the hospital (min)
8.0 (0.8, 9.0)
23.5 (15.3, 33.0)
<0.001
Dosage of Ep after arrival at the hospital (mg)
1.0 (0, 2.0)
4.0 (3.0, 5.0)
<0.001
Total resuscitation time (min)
25.5 (19.3, 30.0)
44.0 (33.0, 51.0)
<0.001
Note. CPR: cardiopulmonary resuscitation, ECG: electrocardiogram, Ep: epinephrine, PEA: pulseless electrical activity, ROSC: return of spontaneous circulation, and VF: ventricular fibrillation. Data are shown as number or median (Q1, Q3). .