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

Table 3 Multivariate analysis of treatment variables associated with PaO₂

Variable	OR	95% CI	p
PH episode of oxygen desaturation	0.96	[0.89–1.07]	.18
Chest injuries present	0.52	[0.21–1.26]	.29
Thoracostomies*	0.69	[0.27–1.74]	.11
SpO2 at handover ≥ 93%	1.73	[0.56–5.34]	.35
SpO2 at handover ≥ 95%	2.02	[0.69–5.83]	.25
SpO2 at handover ≥ 97%	3.99	[1.58–10.08]	.001
SpO2 at handover ≥ 99%	4.49	[1.85–10.94]	< .001

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