Table 1.

Summary of Patient Characteristics

	Total (N=748)
Male	426 (57.0%)
Race
Caucasian	438 (59.8%)
African American	295 (40.2%)
Age (mean years +/− SD)	65.8 +/−13.8
Ejection Fraction (%,mean +/−SD, N=360)	31.7 +/− 17.3
Readmission (30 day)	53 (7.4%)
Readmission (30-90 day)	36 (5.5%)
Expiration (Index hospitalization)	35 (4.7%)
Glycemic variable (mean +/− SD)
TWMG (mg/dl)	137 +/−44.7
GLI (mg/dl)2/hr*day−1	7.2 (2.4-19.3)
A1c (%, N=329)	7.58 +/− 1.96
Hypoglycemia (<70 mg/dl)	261 (34.9%)
Other Diagnosis Codes *
Diabetes	83 (11%)
Renal disease	197 (26.3%)
Atrial arrhythmia	134 (17.9%)
Hypertension	109 (14.6%)
Valvular disorder	75 (10.0%)
CAD	67 (9.0%)
Pneumonia	46 (6.2%)
COPD	41 (5.5%)
AMI/ACS	38 (5.1%)

TWMG=time-weighted mean glucose, GLI=time-adjusted glycemic lability index.

^*Second or third ICD-9 code groupings with a frequency ≥5%; ICD-9 codes: renal disease (250.4, 403.x, 404.x, 584.x, 585.x, V45.1), atrial arrhythmia (427.x), hypertension (401.x-403.x), diabetes mellitus (250.x), valvular disorder (396.x, 397.x, 424.x, 746.4, 996.02), Coronary artery disease (CAD, 396.x, 397.x 413.x, 414.x, 424.x, 746.4, 996.02), pneumonia (482.x, 486), Chronic obstructive lung disease with exacerbation (492.1), Acute myocardial infarction, acute coronary syndrome (AMI/ACS, 410.x, 411.x).