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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