Fig. 1From: Patient portal adoption and use by hospitalized cancer patients: a retrospective study of its impact on adverse events, utilization, and patient satisfactionStudy Theoretical Model Derived from Andersen’s Model of Healthcare Utilization. 1 Predisposing factors: age, sex, and race. 2 Enabling factors: marital status, employment status, health insurance type, and income. 3 Need factors: geographic area of residence, comorbidities, and frequency of hospitalizations. Additional need factors related to the admission: MSDRG type and APRDRG disease severity weight. APRDRG indicates All Patients Refined Diagnostic Related Group; MSDRG, Medicare Severity-Diagnosis Related GroupBack to article page