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Table 1 Baseline characteristics of study population

From: Additional predictive value of optic nerve sheath diameter for neurological prognosis after cardiac arrest: a prospective cohort study

 

Good outcome

(n = 46)

Poor outcome

(n = 54)

P value

Age (years)

58.6 ± 10.0

69.7 ± 10.3

 < 0.01

Male

34 (74%)

38 (70%)

0.87

OHCA

45 (98%)

51 (94%)

0.73

Shockable first rhythm

45 (98%)

37 (69%)

 < 0.01

Time to ROSC (minutes)

15 (10–20)

19 (15–30)

 < 0.01

Absent PLR ≥ 72 h

0 (0%)

1 (2%)

1.00

SSEP

  

 < 0.01

   Bilaterally absent N20

0 (0%)

7 (13%)

 

   Present N20

2 (4%)

20 (37%)

 

   Not tested

44 (96%)

27 (50%)

 

EEG

  

 < 0.01

   Suppressed > 24 h

0 (0%)

5 (9%)

 

   Continuous < 12 h

13 (28%)

3 (6%)

 

   Inconclusive

33 (72%)

46 (85%)

 
  1. Data are presented as n (%) for dichotomous variables, mean ± standard deviation for normally distributed continuous variables, and median [interquartile range] otherwise. EEG electroencephalogram, OHCA out-of-hospital cardiac arrest, PLR pupillary light reflexes, ROSC return of spontaneous circulation, SSEP somatosensory evoked potentials