Table 3.

Interaction Model between Sex and each Covariate by Study Outcomes, adjusted for covariates.

	Survival to Hospital Admission		Survival to Hospital Discharge		Favorable Survival	Neurological
Stratum	OR (95% CI)	P value for interaction	OR (95% CI)	P value for interaction	OR (95% CI)	P value for interaction
Age strata		<0.001		<0.001		<0.001
Among Age <50	0.69 (0.66 – 0.72)		0.76 (0.72 – 0.80)		0.80 (0.75 – 0.84)
Among Age ≥50	0.79 (0.77– 0.81)		0.89 (0.86 – 0.92)		0.95 (0.92 – 0.99)
Race strata		0.41		0.008		0.24
Among Blacks	0.76 (0.72 – 0.79)		0.75 (0.71 – 0.80)		0.86 (0.81 – 0.92)
Among Whites	0.74 (0.72 – 0.76)		0.84 (0.81 – 0.88)		0.88 (0.84 – 0.92)
Among Hispanics	0.75 (0.68 – 0.84)		0.78 (0.67 – 0.90)		0.86 (0.73 – 1.01)
Among Others	0.80 (0.71 – 0.90)		1.00 (0.84 – 1.19)		1.10 (0.91 – 1.34)
Among Unknown	0.76 (0.74 – 0.80)		0.85 (0.80 – 0.90)		0.87 (0.82 – 0.92)
AED shock		0.12		0.47		0.93
Among those w/ AED shock	0.72 (0.68 – 0.76)		0.84 (0.79 – 0.90)		0.88 (0.82 – 0.94)
Among those w/o AED shock	0.75 (0.74 – 0.77)		0.82 (0.79 – 0.85)		0.88 (0.84 – 0.91)
Shockable rhythm		<0.001		0.77		0.80
Among those w/ shockable	0.70 (0.68 – 0.73)		0.82 (0.79 – 0.86)		0.88 (0.84 – 0.92)
Among those w/o shockable	0.76 (0.75 – 0.78)		0.82 (0.79 – 0.86)		0.88 (0.84 – 0.92)
Witnessed		0.003		0.22		0.29
Among witnessed	0.73 (0.71 – 0.75)		0.81 (0.77 – 0.85)		0.86 (0.81 – 0.91)
Among those w/o Bystander CPR	0.73 (0.71 – 0.75)		0.76 (0.73 – 0.80)		0.82 (0.78 – 0.85)
Bystander CPR		<0.001		<0.001		<0.001
Among those w/ Bystander CPR	0.79 (0.76 – 0.81)		0.90 (0.86 – 0.93)		0.94 (0.90 – 0.98)
Among those w/o Bystander CPR	0.73 (0.71 – 0.75)		0.76 (0.73 – 0.80)		0.82 (0.78 – 0.85)
Public location of Arrest		0.02		0.33		0.71
Among those in public location	0.71 (0.68 – 0.75)		0.84 (0.80 – 0.89)		0.87 (0.82 – 0.92)
Among those in private location	0.76 (0.74 – 0.78)		0.82 (0.79 – 0.85)		0.88 (0.85 – 0.92)
Cardiac Etiology		<0.001		<0.001		<0.001
Among those w/ Cardiac Etiology	0.77 (0.76 – 0.79)		0.86 (0.83 – 0.89)		0.91 (0.88 – 0.95)
Among those w/o Cardiac Etiology	0.67 (0.64 – 0.70)		0.72 (0.68 – 0.77)		0.77 (0.71 – 0.82)