Table 4. Multivariable logistic regression analysis for outcomes by arrest time.

Outcomes		Total	Positive		Model 1			Model 2
Survival		N	N	%	AOR	95% CI		AOR	95% CI
	Total	73057	5010	6.9
	Nighttime	26225	2024	7.7	1.00			1.00
	Daytime	46832	2986	6.4	0.92	0.86	0.97	0.85	0.80	0.91
Good CPC
	Total	73057	3099	4.2
	Nighttime	26225	1273	4.9	1.00			1.00
	Daytime	46832	1826	3.9	0.92	0.85	0.99	0.84	0.77	0.91

CPC, cerebral performance category; AOR, adjusted odds ratio; 95% CI, 95% confidence interval

Model 1: adjusted for gender, age and daytime

Model 2: adjusted for gender, age, daytime, year, season, weekend, place-provider matrix group, metropolis, and witness