Optimal cardiopulmonary resuscitation duration for favorable neurological outcomes after out-of-hospital cardiac arrest

Table 2 Logistic regression analysis of survival with favorable outcomes

Variable	Crude OR (95% CI)	P value	Adjusted OR (95% CI)	P value
Age (years)	0.95 (0.95–0.96)	< 0.001	0.96 (0.95–0.97)	< 0.001
Male sex	2.07 (1.69–2.54)	< 0.001	1.07 (0.80–1.44)	0.65
Witnessed arrest (EMS or bystander)	3.75 (3.00–4.70)	< 0.001	1.87 (1.37–2.55)	< 0.001
Bystander CPR	1.56 (1.31–1.85)	< 0.001	0.99 (0.76–1.29)	0.95
Initial shockable rhythm	27.58 (22.15–34.36)	< 0.001	10.56 (8.00–13.92)	< 0.001
Total CPR duration, min	0.85 (0.84–0.86)	< 0.001	0.89 (0.88–0.90)	< 0.001

CI, confidence interval; CPR, cardiopulmonary resuscitation; EMS, emergency medical service; OR, odds ratio

ISSN: 1757-7241