Table 1.

Characteristics of cardiac intensive care units in the Critical Care Cardiology Trials Network

Cardiac ICU characteristics	Survey respondents (N=39)
Setting
Urban	31 (79%)
Suburban	7 (18%)
Rural	1 (3%)
Geographical region
Midwest US	7 (18%)
Northeast US	8 (21%)
South US	11 (28%)
Western US	5 (13%)
Canada	8 (21%)
ICU Type
Closed	33 (85%)
Mixed	6 (15%)
Length of stay (days; median, IQR)	4.0 (3; 5)
Mortality (median, IQR)	9.0% (5%; 13.7%)

Abbreviations: ICU, intensive care unit; IQR, interquartile range; US, United States