Table 1.

Demographic and Admission Characteristics of Total Sample, N=4,627

Characteristic	Value
Demographics
Age, mean years (± SD)	74 (± 9.5)
Men, n (%)	2010 (43)
Caucasian, n (%)	2694 (58)
Insurance
Government/Medicare and Medicaid, n (%)	3385 (73)
Private Insurance/Managed Care, n (%)	1242 (27)
Admissions Characteristics
Admission Type
ED ->Inpatient, n (%)	3033 (65)
ED-> Observation, n (%)	224 (5)
Direct Inpatient, n (%)	1370 (30)
Service Location
Medicine Service, n (%)	2206 (48)
Cardiology, n (%)	1091 (23)
Surgery, n (%)	1330 (29)
Length of Stay, mean days (± SD)	5 (± 6.3)
Readmissions, n (%)	955 (21)

Abbreviation: SD, standard deviation. ED, Emergency Department.

No missing values for any variable