Table 3.

Adjusted effects of AED application by responding group, as compared to no AED application.^*

	AED Application** (All Years)	AED Application** (2017–2019)
	Odds Ratio (95% CI)
Sustained ROSC
First Responder***	1.08 (1.00, 1.18)‡	1.08 (0.98, 1.19)
Lay Person and Lay Family Member	1.74 (1.35, 2.23)†	1.52 (1.10, 2.09)
Lay Medical Provider	1.40 (1.03, 1.90)‡	1.75 (1.19, 2.57)
Police	0.99 (0.87, 1.13)	1.06 (0.90, 1.24)
Survival to Discharge
First Responder	1.13 (1.00, 1.28)	1.17 (1.00, 1.36)
Lay Person and Lay Family Member	1.95 (1.47, 2.59)†	1.59 (1.10, 2.30)
Lay Medical Provider	1.91 (1.31, 2.78)†	2.21 (1.38, 3.53)
Police	1.40 (1–17, 1.69)†	1.50 (1.19, 1.88)
Discharged with Good Neurological Outcome
First Responder	1.17 (1.02, 1.34)‡	1.18 (1.00, 1.40)
Lay Person and Lay Family Member	2.06 (1.54, 2.77)†	1.75 (1.20, 2.57)
Lay Medical Provider	2.23 (1.51, 3.30)†	2.48 (1.52, 4.04)
Police	1.47 (1.21, 1.79)†	1.58 (1.24, 2.01)

^*Estimates derived using multilevel logistic regression models adjusted for: age, gender, race/ethnicity, location, first documented rhythm, calendar year, and community level variables as defined in the methods

^**Odds ratio reference category: No AED applied

^***As collected in the registry, “First Responder” here refers to (EMS or firefighters)

^‡P-value<0.05;

^†P-value<0.01