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

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

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

MOI; Mechanism of Injury, CNS; central nervous system, PHEA; Pre-hospital Emergency Anesthesia, ApOx; Apnoeic oxygenation, SpO₂; Oxygen saturation.*unilateral or bilateral

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