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The Effects of Scheduled Intern Rotation on the Cost and Quality of Teaching Hospital Care

We studied the effect of scheduled intern rotations on the cost and quality of inpatient care at one teaching hospital. For all discharges from the internal medicine service between 1980 and 1986, we identified 1,705 rotation patients and 3,141 no-rotation patients. Using linear or logistic regression analysis to controlfor baseline differences, we evaluatedfor the effect of rotation. We found that rotation was significantly related to longer length of hospital stay, b = 0.341 days, p = 0.C001, and higher hospital charges (for log charges, b = 0.053, p = 0.016. Hospital deaths, nursing home placements, and 30-day readmissions were not significantly related to rotation, p > 0.1. These results suggest that the systematic discontinuity induced by scheduled intern rotations may be another source of increased health care costs experienced at teaching hospitals.