TABLE 2.

Odds ratios of the events analysed [95% confidence intervals], and significance

	CPRs performed by bystanders	PAD used by bystanders	ROSC
2019 versus 2020	0.936 [0.882–0.993] p = .020	0.939 [0.806–1.096] p = .427	0.621 [0.563–0.685] p < .0001
March 2019 versus March 2020	0.727 [0.602–0.877] p = .0008	0.441 [0.272–0.716] p = 0.0009	0.179 [0.124–0.257] p < .0001
December 2019 versus December 2020	0.900 [0.742–1.09] p = .290	0.695 [0.428–1.128] p = .141	0.612 [0.442–0.848] p = .003

Abbreviations: CPRs, cardiopulmonary resuscitations; PAD, public access to defibrillation; ROSC, return of spontaneous circulation.