Table 4

Multivariable logistic regression model for the predictors of survival events

OR95% CIp Value
Age (year)1.011.00 to 1.010.066
Witnessed arrest2.181.70 to 2.80<0.001*
Time to EMS arrival at the hospital0.970.95 to 0.98<0.001*
Advanced airway management by EMS1.701.27 to 2.26<0.001*
 No AED use0.128
 Initial AED rhythm non-shockable0.650.41 to 1.020.063
 Initial AED rhythm shockable0.810.43 to 1.540.529
Initial 12-lead ECG rhythm shockable1.570.83 to 2.980.170
Atropine1.681.26 to 2.23<0.001*
MgSO43.131.43 to 6.880.004*
VT/VF during CPR1.240.88 to 1.740.221
Prehospital ROSC6.893.27 to 14.54<0.001*
Cardiac etiology0.300.23 to 0.39<0.001*
Stroke1.300.89 to 1.900.175
Antiarrhythmics, class II1.740.93 to 3.260.081
Statin2.091.08 to 4.030.028*
α-Blocker1.310.59 to 2.910.505
N-acetylcysteine3.140.96 to 10.260.059
Digoxin0.390.16 to 0.900.028*
  • *p<0.05.

  • AED, automated external defibrillator; CPR, cardiopulmonary resuscitation; EMS, emergency medical service; ROSC, return of spontaneous circulation; VF, ventricular fibrillation; VT, ventricular tachycardia.