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Table 1 Baseline characteristics and post-resuscitation management and complications

From: The prognostic value of bispectral index and suppression ratio monitoring after out-of-hospital cardiac arrest: a prospective observational study

Characteristic Good neurological outcome (N = 38) Poor neurological outcome (N = 39) p
Age 67 ± 13 61 ± 13 0.034
Male 31 (82) 31 (80) 0.817
Co-morbidities
 Diabetes 2 (5) 10 (26) 0.025
 Chronic kidney insufficiency 2 (5) 6 (15) 0.263
 Cerebrovascular disease 2 (5) 2 (5) 1.000
 Acute myocardial infarction 6 (16) 5 (13) 0.755
 Arterial hypertension 16 (42) 17 (44) 1.000
 Hyperlipidemia 15 (39) 16 (41) 1.000
Cardiac arrest variables
 Initial rhythm    0.003
  Shockable 33 (87) 20 (56)  
  Non-shockable 5 (13) 16 (44)  
 Witnessed arrest 34 (92) 33 (87) 0.479
 Bystander CPR 18 (47) 20 (51) 0.821
 BLS duration (min) 8 (0–14) 10 (0–12) 0.561
 ALS duration (min) 12 (8–21) 15 (10–28) 0.348
 Number of shocks 2 (1–5) 1 (0–4) 0.111
 Time emergency call—ROSC (min) 28 ± 19 32 ± 15 0.388
Post-resuscitation management
 Percutaneous Coronary Intervention 27 (71) 17 (44) 0.015
 Cooling, endovascular/surface 20 (53)/18 (47) 15 (38)/24 (62) 0.265
 Time to target temperature (min) 140 (73–295) 141 (107–195) 0.652
 Intra-aortic balloon pump 11 (29) 6 (15) 0.178
Post-resuscitation complications
 Post-resuscitation shock 16 (42) 21 (54) 0.365
 ARDS 4 (11) 7 (18) 0.517
 Pneumonia 21 (55) 17 (44) 0.365
 Acute kidney injury 9 (24) 12 (31) 0.610
 Renal replacement therapy 3 (8) 3 (8) 1.000
 Status epilepticus 1 (3) 20 (51) < 0.001
 Burst suppression 4 (11) 16 (41) 0.004
Cause of death
 Neurological injury 27 (69)
 Post-cardiac arrest shock 10 (26)
 Other 2 (5)
CCU days 19 (12–32) 9 (6–17) < 0.001
  1. Data are shown as mean ± SD, median with interquartile range and n (%)
  2. ALS Advanced Life Support, ARDS Acute Respiratory Distress Syndrome, BLS Basic Life Support, CCU Coronary Care Unit, CPR cardiopulmonary resuscitation, ROSC return of spontaneous circulation
  3. Statistical significant values indicate in italics (p < 0.05)