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Table 2 Hospital characteristics, geographical information, and season

From: Predictive accuracy of biomarkers for survival among cardiac arrest patients with hypothermia: a prospective observational cohort study in Japan

Variables Total
(N = 754)
Hospital Information
Hospital
 Tertiary center (56 hospitals) 727 (96.3%)
 Non-tertiary center (10 hospitals) 28 (3.7%)
 Number of beds 678 [561–750]
ECMO availability
 Always 634 (84%)
 Partial 101 (13.4%)
 Unavailable 20 (2.6%)
Geographical information and season
Area
 Northern area 303 (40.1%)
 Eastern area 267 (35.4%)
 Western area 185 (24.5%)
 Southern area 0 (0%)
Season
 Spring 84 (11.1%)
 Summer 175 (23.2%)
 Autumn 147 (19.5%)
 Winter 348 (46.2%)
  1. Continuous variables are described as median [Interquartile range (IQR)]. Categorical variables are expressed as number (%). Shockable: ventricular fibrillation and pulseless ventricular tachycardia
  2. E-call Emergency call for ambulance, ROSC Return of spontaneous circulation, ECMO Extracorporeal membrane oxygenation, ER Emergency room