Table 1.

Predictors of Readmission among Inpatient Diabetes Cohorts

General hospitalized diabetes cohorts
Reference number	Number	Significant predictors	Follow-up	Relationship(all predictors in model)a
13	648,748	African American versus Caucasian Hispanic versus Caucasian Medicare versus private Medicaid versus private Low versus high income Medium versus high income	Multiple admissions within 1 calendar year	OR 1.15 (1.13–1.17) OR 1.20 (1.18–1.23) OR 1.48 (1.45–1.50) OR 1.63 (1.60–1.66) OR 1.03 (1.01–1.04) OR 1.03 (1.01–1.05)
14	482	Hospital length of stay Family history of atherosclerosis Dependent for basic needs Systolic blood pressure >130 mmHg CHF Atrial fibrillation Basal glucose Creatinine clearance Hemoglobin	1 year	OR 1.03 (1.00–1.07) OR 0.23 (0.11–0.485) OR 2.57 (1.17–5.68) OR 0.40 (0.24–0.67) OR 1.75 (1.07–2.89) OR 1.75 (1.01–3.02) OR 1.004 (1.001–1.007) OR 0.99 (0.98–0.99) OR 0.76 (0.68–0.85)

DKA cohorts
Reference number	Number	Significant predictors	Follow-up	Relationship
15	168	Hispanic versus African American	Up to 3 years	OR 3.67 (1.66–8.10)
16	152	Polysubstance abuse	Up to 5 years	OR 19.5 (2.5–15.3)
17	92	(In children) Behavioral problems Young age at diagnosis Low socioeconomic status	Up to 10 years	All were significant predictors

^aOR, odds ratio.