Research Article

Effect of Prehospital Epinephrine on Outcomes of Out-of-Hospital Cardiac Arrest: A Bayesian Network Approach

Table 2

Extended Cox-regression model for the effect of epinephrine on prehospital ROSC rate.

PredictorPhase 1 (0–10 minutes)Phase 2 (11–20 minutes)Phase 3 (>20 minutes)
HR (95% CI)HR (95% CI)HR (95% CI)

SALS0.56 (0.43–0.72)<0.0012.15 (1.36–3.39)0.0011.04 (0.36–3.01)0.936
Shockable19.42 (14.43–26.12)<0.00121.71 (13.05–36.12)<0.0016.18 (2.14–17.83)0.001
Epinephrine: SALS2.02 (1.08–3.78)0.0286.94 (4.15–11.61)<0.0017.43 (2.92–18.91)<0.001
Epinephrine: SALS : shockable0.20 (0.08–0.47)<0.0010.07 (0.04–0.13)<0.0010.3 (0.1–0.91)0.033

ROSC, return of spontaneous circulation; HR, hazard ratio; SALS, smart ALS.