Table 5.

Adjusted Odds of Mortality with Different Threshold of High Volume Hospital^*

	Odds Ratio	95% CI
>50 OHCA per year	0.92	0.67–1.27
35–50 OHCA per year	0.88	0.68–1.15
20–34 OHCA per year	1.06	0.86–1.31
19 or less OHCA per year	REF	REF

^*Adjusted for patient and hospital level variables as listed in Table 3 with results from 3 separate adjusted models displayed (i.e. <20 vs. >50, < 20 vs. 20–34, <20 vs. 35–50)