Table 3. Adjusted logistic regression models predicting survival to hospital discharge and functionally favorable survival.

Predictor	Predictors of survival		Predictors of favorable outcome
	Adjusted OR (95%CI)	P value	Adjusted OR (95%CI)	P value
Model 1:
Age	0.97 (0.96 – 0.98)	<0.001	0.95 (0.94 – 0.97)	<0.001
Shockable rhythm	1.85 (1.25 – 2.72)	0.002	2.41 (1.53 – 3.77)	<0.001
Witnessed arrest	1.76 (1.25 – 2.47)	0.001	1.72 (1.15 – 2.58)	0.009
Cardiac catheterization	4.00 (2.70 – 5.94)	<0.001	5.03 (3.15 – 8.05)	<0.001
Antiplatelet use	1.81 (1.25 – 2.64)	0.002	1.57 (1.02 – 2.46)	0.04
Anticoagulant use	1.91 (1.18 – 3.11)	0.009	0.87 (0.46 – 1.65)	0.83
Model 2:*
Age	0.97 (0.96 – 0.98)	<0.001	0.94 (0.92 – 0.96)	<0.001
Shockable rhythm	1.30 (0.75 – 2.24)	0.35	1.76 (0.95 – 3.24)	0.07
Witnessed arrest	1.61 (1.05 – 2.46)	0.03	1.79 (1.07 – 2.99)	0.03
Cardiac catheterization	3.58 (2.03 – 6.29	<0.001	5.30 (2.68 – 10.5)	<0.001
Cardiac etiology of arrest	1.71 (0.94 – 3.12)	0.08	1.43 (0.74 – 2.77)	0.29
Antiplatelet use	1.74 (1.08 – 2.80)	0.02	2.11 (1.17 – 3.79)	0.01
Anticoagulant use	1.65 (0.90 – 3.03)	0.10	0.96 (0.43 – 2.13)	0.62

^*Because accurate arrest etiology data are only available after February 2012, model 2 includes only 466 of 1,054 subjects