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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