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Table 1 The variables needed to calculate each predictive score

From: Simultaneous external validation of various cardiac arrest prognostic scores: a single-center retrospective study

Predictive scores Age Initial rhythm upon arrival of EMS Time from cardiac arrest to CPR Time from CPR start to ROSC pH of arterial blood Lactate Motor score on the GCS upon arrival at the hospital Other
OHCA score       Serum creatinine
NULL-PLEASE score     Witness of cardiac arrest
         Bystander CPR
         CPR upon arrival at the hospital
         Cause of cardiac arrest
         End stage renal failure
CAST score     Serum albumin
         Attenuation on brain CT
rCAST score      Time from witnessed time to ROSC
CAHP score    Epinephrine dose
         Site where cardiac arrest occurred
  1. All laboratory data (pH, lactate, albumin, hemoglobin, serum creatinine) were taken on arrival at the hospital
  2. OHCA score out-of-hospital cardiac arrest score, NULL-PLEASE score non-shockable rhythm, unwitnessed arrest, long no-flow or long low-flow period, blood pH < 7.2, lactate > 7.0 mmol/L, end-stage chronic kidney disease, age ≥ 85 years, still resuscitation, and extracardiac cause score
  3. CAST score post-cardiac arrest syndrome for therapeutic hypothermia score, rCAST score revised post-cardiac arrest syndrome for therapeutic hypothermia score, CAHP score cardiac arrest hospital prognosis score, EMS emergency medical services, CPR cardiopulmonary resuscitation, ROSC return of spontaneous circulation, GCS Glasgow coma scale, CT computed tomography