Describing Variability of Inpatient Consultation Practices: Physician, Patient, and Admission Factors

Appropriate use of consultation can improve patient outcomes, but inappropriate use may cause harm. Factors affecting the variability of inpatient consultation are poorly understood. We aimed to describe physician‐, patient‐, and admission‐level factors influencing the variability of inpatient consultations on general medicine services. We conducted a retrospective study of patients hospitalized from 2011 to 2016 and enrolled in the University of Chicago Hospitalist Project, which included 6,153 admissions of 4,772 patients under 69 attendings. Consultation use varied widely; a 5.7‐fold difference existed between the lowest (mean, 0.613) and highest (mean, 3.47) quartiles of use (P