Table 2.

Hospital Characteristics (NIS and AHA 2007-2011)

Characteristic	ACO-Enrolling Hospitals	Non-Enrolling Hospitals	p-value
Hospitals (No.)	225	1054
Median number of beds (med/surg)	232	162	<0.001
Median number of Operating Rooms	10	7	<0.001
Median number of inpatient surgical cases	2842	1621.5	<0.001
Median number of total surgical cases	7608	5332	<0.001
Hospitals (%)
ICU capabilities	88.3	83.5	0.08
Regional Trauma Center	24.8	27.4	0.004
Hospital Ownership (%)			<0.001
Public	5.3	15.2
Non-profit	89.8	65.6
For profit	4.9	19.2
Teaching Hospital (%)	33.8	25.4	0.01
Critical Access Hospital (%)	8.4	12.7	0.07
Rural location (%)	22.2	33.3	0.001
Region			<0.001
Northeast	29.3	24.3
Northwest	29.8	12.5
South	13.3	31.5
West	27.6	31.7