Response Time Threshold for Predicting Outcomes of Patients with Out-of-Hospital Cardiac Arrest

Table 2

Adjusted odds ratios for survival to hospital discharge.

Adjusted odds ratios for outcome	Survival to hospital discharge
Variables	OR	95% CI
Response time (one minute shorter)	1.217	1.140–1.299	<0.001
Age (one additional year)	0.983	0.975–0.992	<0.001
Male sex	0.901	0.653–1.245	0.529
Witness	3.022	2.014–4.534	<0.001
Cardiac arrest location (public)	2.797	2.062–3.793	<0.001
Bystander CPR	1.453	1.970–1.071	0.016
Bystander keep airway	1.022	0.638–1.636	0.928
Attended by EMT-Paramedic	1.713	1.282–2.290	<0.001
Initial shockable rhythm	1.542	0.986–2.411	0.057
Defibrillation by AED	3.984	2.920–5.435	<0.001