. Author manuscript; available in PMC: 2010 Jul 1.

Published in final edited form as: Circ Cardiovasc Qual Outcomes. 2009 Jun 9;2(4):377–384. doi: 10.1161/CIRCOUTCOMES.108.822692

Table 2.

Hospital Characteristics

Characteristic	OPTIMIZE-HF	Non-OPTIMIZE-HF	P Value
N	244	5408
Annual volume of heart failure discharges, mean (SD)	273.6 (207.0)	119.0 (147.2)	< .001
Cardiac intensive care unit, No. (%)^*	140 (63.3)	1440 (33.8)	< .001
Open heart surgery, No. (%)^*	130 (59.4)	819 (20.2)	< .001
Transplant services, No. (%)^*	56 (25.6)	259 (6.4)	< .001
Council of Teaching Hospitals member, No. (%)^*	54 (22.6)	240 (4.9)	< .001

Percentage calculated among hospitals with American Hospital Association data (219 OPTIMIZE-HF hospitals, 4056 non-OPTIMIZE-HF hospitals).