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Table 3 Description of post-cardiac arrest factors in patients exposed to hyperoxia and those not exposed to hyperoxia

From: Prevalence and factors correlating with hyperoxia exposure following cardiac arrest – an observational single centre study

 

All

Not exposed to hyperoxia

Hyperoxia exposure

P-value

n = 119

n = 70

n = 49

Factors after cardiac arrest

Lowest median arterial blood pressure (MAP)

68 (53–80)

71 (55–84)

60 (48–78)

0,133

pH

7,12 (6,98- 7,26)

7,12 (6,98- 7,26)

7,11 (6,98- 7,26)

0,897

Lactate (mmol/l)

8,70 (4,60- 11,80)

7,30 (4,00- 12,00)

9,25 (4,78- 11,78)

0,282

Glucose (mmol/l)

11,65 (8,23- 15,80)

10,45 (7,05- 14,95)

13,80 (9,50- 17,00)

0,017

Respiratory management and arterial blood gases

Mechanical ventilation

96% (114)

93% (65)

100% (49)

0,056

Duration of mechanical ventilation

  Less than 24 hours

31% (37)

31% (20)

35% (17)

0,658

  Longer than 24 hours

65% (77)

69% (45)

65% (32)

 

ICU management

Delay to ICU admission (hrs)

3 (0,5-5)

1 (0,5- 5)

4 (3–6)

0,003

Therapeutic hypothermia

30% (36)

20% (14)

45% (22)

0,004

Coronary intervention

40% (48)

33% (23)

31% (25)

0,854

Severity of illness scores

Apache III score (ICU admission)

101 (70–118)

103 (70–116)

98 (73,5- 124)

0,638

Outcome

ICU discharge

49% (58)

46% (32)

53% (26)

0,430

ICU length of stay

3,6 (1,4- 6,1)

3,7 (1,9- 6,6)

3,6 (0,8- 6,0)

0,474

Thirty day survival

39% (47)

36% (25)

45% (22)

0,313

Hospital discharge

37% (44)

34% (24)

41% (20)

0,468