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Table 2 Correlation of independent variables with the presence of NDEs

From: The effect of carbon dioxide on near-death experiences in out-of-hospital cardiac arrest survivors: a prospective observational study

Variable

NDEs group (mean ± SD)

Non-NDEs group (mean ± SD)

P

Age (years)

57.9 ± 13.8

51.8 ± 14.6

0.217

Time until ROSC (minutes)

8.3 ± 6.7

8.8 ± 5.3

0.772

petCO2 (kPa)

5.7 ± 1.1

4.4 ± 1.2

< 0.01

pO2 (kPa)

16.4 ± 11.1

25.3 ± 15.1

0.108

pCO2 (kPa)

6.6 ± 2.3

5.3 ± 1.4

0.041

Serum sodium (mmol/l)

139.2 ± 6.1

140.4 ± 4.0

0.439

Serum potassium (mmol/l)

4.6 ± 1.2

4.1 ± 0.8

0.118

  1. NDE, near-death experience; petCO2, initial partial end-tidal pressure of carbon dioxide; pCO2, partial pressure of carbon dioxide; pO2, partial pressure of oxygen; ROSC, return of spontaneous circulation; SD, standard deviation.