Table 4 Causes of in-hospital death according to the study groups

Normoxia/near-normoxia

6 died out of 229 (2.6%)

 Infection

2

 Brain infarct

1

 Fatal ventricular arrhythmia

1

 Hypovolemic shock

1

 Unknown or unspecified

1

Mild hyperoxia

10 died out of 991 (1.0%)

 Infection

4

 Brain infarct

1

 Cardiogenic shock

1

 Ischemic colitis

1

 Iatrogenic

1

 Unknown or unspecified

2

Severe hyperoxia

4 died out of 173 (2.3%)

 Infection

2

 Coronary vasospasm

1

 Rhabdomyolysis

1