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Table 1 Baseline characteristics of patients (n = 66).

From: A clinical and EEG scoring system that predicts early cortical response (N20) to somatosensory evoked potentials and outcome after cardiac arrest

Characteristics

 

Age (years)

57,2 +/- 12,8

Sex ratio:% male

77%

SAPS II

63 +/- 15

APACHE II

26 +/- 7

Medical History

 

   Cardiovascular diseases n (%)

28 (42)

   Neurologic diseases n (%)

5 (8)

   Respiratory diseases n (%)

4 (6)

   Metabolic diseases n (%)

11 (17)

Primary cause of arrest

 

   Cardiac n (%)

39 (59)

   Pulmonary n (%)

16 (24)

   Other or unknown n (%)#

11 (17)

Time between arrest and initiation of CPR initiation of CPC

 

   < 3 minutes n (%)

15 (23)

   > 3 and < 5 minutes n (%)

5 (8)

   > 5 minutes n (%)

34 (52)

   Unknown n (%)

12 (18)

Primary rhythm

 

   Ventricular fibrillation n (%)

19 (29)

   Ventricular tachycardia n (%)

3 (5)

   Asystole n (%)

28 (42)

   Unknown n (%)

16 (24)

Duration of CPR

 

   < 5 minutes n (%)

8 (12)

   > 5 and < 15 minutes n (%)

22 (33)

   > 15 minutes n (%)

31 (47)

   Unknown n (%)

5 (8)

  1. Data are presented as the mean +/- standard deviation (SD) or number (%) when appropriate.
  2. SAPS II: Simplified Acute Physiology Score type II. APACHE II: Acute Physiology And Chronic Health Evaluation II. CPR: Cardipulmonary Resuscitation
  3. #5 unknown, 3 hangings, 1 anaphylactic shock, 1 hypothermia, 1 hyperkaliemia