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Table 2 Unadjusted mortality rates

From: Associations of arterial carbon dioxide and arterial oxygen concentrations with hospital mortality after resuscitation from cardiac arrest

Outcome  

All patients

PaCO2 group

 

PaO2 group

 
 

Hypocapnia

Normocapnia

Hypercapnia

P value

Hypoxia

Normoxia

Hyperoxia

P value

Intensive care unit mortality

2491 (47.4)

576 (50.7)

976 (42.7)

939 (51.2)

<0.001

244 (58.4)

2171 (46.2)

76 (52.8)

<0.001

In-hospital mortality

2833 (53.9)

663 (58.4)

1129 (49.3)

1041 (56.8)

<0.001

266 (63.6)

2484 (52.9)

83 (57.6)

<0.001

  1. Data presented as total number (percentage) per group. P-values for group comparisons using Chi-squared test