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Table 1 Comparison of patient characteristics between the patients with good neurologic outcome and poor neurologic outcome in the test set

From: A Cerebral Recovery Index (CRI) for early prognosis in patients after cardiac arrest

  Poor neurologic outcome (CPC 3–5) Good neurologic outcome (CPC 1–2) P value
Number of patients 27 26 -
Number of male 19 (70%) 20 (77%) 0.59
Age (years) 63 (STD 13) 58 (STD 11) 0.14
(range, 27 to 82) (range, 35 to 79)
Number of OHCA 23 (85%) 23 (89%) 1.00
Initial rhythm:    
   VF 8 (30%) 23 (89%) 0.00
   Asystole 14 (52%) 0 (0)
   Bradycardia 1 (4%) 0 (0)
   Unknown 4 (15%) 3 (12%)
Presumed cause of CA:    
   Cardiac 17 (63%) 17 (65%) 0.57
   Other origin 6 (22%) 3 (12%)
   Unkn own 4 (15%) 6 (23%)
Patients sedated with propofol 27 (100%) 26 (100%) -
Propofol dose (mg/h/kg) 2.8 (STD 1.0) 3.4 (STD 1.0) 0.03
(range, 0.9 to 4.8) (range: 1.3 to 5.4)
Patients sedated with midazolam 8 (30%) 6 (23%) 0.59
Midazolam dose (μg/kg/hr) 80 (STD 65) 73 (std 35) 0.84
(range, 30 to 214) (range, 33 to 125)
Patients treated with fentanyl 18 (67%) 19 (73%) 0.61
Fentanyl dose (μg/h/kg) 1.5 (STD 0.8) 1.9 (STD 0.7) 0.13
(range, 0.6 to 3.6) (range, 0.9 to 2.7)
Patients treated with remifentanil 11 (41%) 7 (27%) 0.29
Remifentanil dose (μg/h/kg) 4.0 (STD 2.6) 5.5 (STD 3.0) 0.28
(range, 1.0 to 7.0) (range. 3 to 11)
  1. Medication doses are given as the maximum drug dose during the first 24 hours. CPC, Cerebral Performance Category; OHCA, out-of-hospital cardiac arrest; VF, ventricular fibrillation; CA, cardiac arrest.