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Table 2 Univariate correlation analysis of in-hospital PaO2 with pre-hospital patient- and treatment factors (n = 147)

From: Incidence of hyperoxia in trauma patients receiving pre-hospital emergency anaesthesia: results of a 5-year retrospective analysis

Pre-hospital patient and/or treatment factor r p
Age .013 .87
Sex .052 .53
MOI .023 .78
Chest injuries  − .220 .008
Head and/or CNS injuries  − .003 .97
Transfusion and/or ‘Code Red’  − .146 .08
Any oxygen desaturation peri-or post PHEA  − .228 .006
ApOx  − .134 0.11
Thoracostomies*  − .190 .022
HEMS Pulse oximetry SpO2 at handover in hospital .276  < .001
  1. MOI; Mechanism of Injury, CNS; central nervous system, PHEA; Pre-hospital Emergency Anesthesia, ApOx; Apnoeic oxygenation, SpO2; Oxygen saturation.*unilateral or bilateral