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Table 2 Baseline characteristics

From: Rationale, design, and profile of Comprehensive Registry of In-Hospital Intensive Care for OHCA Survival (CRITICAL) study in Osaka, Japan

  Total
(n = 657)
Age, year, mean (SD) 66.2 (20.2)
 Children aged 0–17 years old, n (%) 15 (2.3)
Male, n (%) 406 (61.8)
Cause, n (%)   
 Cardiac 331 (50.4)
  Acute coronary syndrome 159 (24.2)
  Other heart disease 21 (3.2)
  Presumed cardiac cause 151 (23.0)
 Non-cardiac 326 (49.6)
  Cerebrovascular disease 18 (2.7)
  Respiratory disease 31 (4.7)
  Malignant tumor 8 (1.2)
  External 216 (32.9)
   Traffic injury 38 (5.8)
   Fall 54 (8.2)
   Hanging 26 (4.0)
   Drowning 23 (3.5)
   Asphyxia 57 (8.7)
   Drug overuse 5 (0.8)
   Other external cause 13 (2.0)
 Others 53 (8.1)
  SIDS (only for children) 3 (0.5)
Departure of ambulance or helicopter with physicians, n (%) 107 (16.3)
ROSC status, n (%)   
 ROSC after hospital arrival 187 (28.5)
 ROSC before hospital arrival 55 (8.4)
 No ROSC 415 (63.2)
First documented rhythm after hospital arrival, n (%)   
 VF/pulseless VT 21 (3.2)
 PEA 148 (22.5)
 Asystole 435 (66.2)
 Presence of pulse 53 (8.1)
  1. SD standard deviation, SIDS sudden infant death syndrome, ROSC return of spontaneous circulation, VF ventricular fibrillation, VT ventricular fibrillation, PEA pulseless electrical