Table 1. Hospital Characteristics^a.

Site	Category	Census Region	Teaching Status	Annual Discharges, No. (1000s)	Beds, No.	ICU Beds, No.	ICU/Total Beds, %	Nurse to Bed Ratiob	Urban	Ownership	Intensive Care Services	Cardiac Catheterization and Intervention Services	Cardiac Surgery	Electrophysiology Services	RSSR Percentile, Mean (2012-2014)
1	Top	South	Nonteaching	30-40	400-800	26-50	8.4	1.15	Urban	Nonprofit	Yes	Yes	Yes	Yes	97.3
2	Top	Midwest	Major	>40	>800	>50	8.4	1.15	Urban	Nonprofit	Yes	Yes	Yes	Yes	95.5
3	Top	Northeast	Major	30-40	>800	26-50	5.3	3.39	Urban	Nonprofit	Yes	Yes	Yes	Yes	88.7
4	Top	Midwest	Major	10-15	200-400	13-25	Unknown	Unknown	Urban	Nonprofit	Unknown	Yes	Yes	Yes	87.7
5	Top	Midwest	Minor	15-20	200-400	13-25	3.5	1.79	Urban	Nonprofit	Yes	Yes	Yes	Yes	81.7
6	Middle	West	Minor	20-30	200-400	26-50	Unknown	2.10	Urban	Government	Yes	Yes	Yes	Yes	56.1
7	Bottom	West	Nonteaching	7.5-10	200-400	13-25	6.5	1.03	Urban	Nonprofit	Yes	Yes	Yes	Yes	12.9
8	Bottom	Northeast	Minor	20-30	400-800	26-50	7.2	1.13	Urban	Nonprofit	Yes	Yes	Yes	Yes	5.4
9	Bottom	South	Minor	>40	>800	26-50	6.1	3.14	Urban	Government	Yes	Yes	Yes	Yes	2.9

Abbreviations: ICU, intensive care unit; RSSR, risk-standardized survival rate.

^aHospital characteristics included in the above table were obtained from American Hospital Association data (2010).²² To protect confidentiality of sites, we are only permitted to report hospital-level variables in predefined categories (eg, number of ICU beds: ≤12, 13-25, 26-50, >50) according to prior agreements between Get With The Guidelines–Resuscitation and participating sites.

^bProportion of full-time nurse equivalents to total number of beds.