Table 2.

Adjusted odds ratio of the effect of the pandemic period on survival to hospital discharge in all patients with EMS attempted resuscitation.

	OR (95% CI)	p value
Pandemic period	0.46 (0.25−0.86)	0.015
Age (every year increase)	0.96 (0.94−0.97)	<0.001
Male gender	0.91 (0.52−1.60)	0.748
Call-to-patient time (every minute increase)	0.87 (0.82−0.93)	<0.001
Presumed cardiac aetiology	9.16 (1.89−44.42)	0.006
Public arrest location	2.39 (1.44−3.96)	0.001
Bystander witnessed	4.32 (2.31−8.09)	<0.001
Bystander CPR	1.95 (0.93−4.07)	0.075
Who shocked first (reference PAD):
First Responder	0.59 (0.22−1.55)	0.283
Ambulance Victoria	0.37 (0.18−0.75)	0.006

OR = odds ratio; CI = confidence interval; CPR = cardiopulmonary resuscitation; PAD = Public Access Defibrillation.