文档介绍：A Cost-Benefit Analysis of Electronic Medical
Records in Primary Care
Samuel J. Wang, MD, PhD, Blackford Middleton, MD, MPH, MSc, Lisa A. Prosser, PhD,
Christiana G. Bardon, MD, Cynthia D. Spurr, RN, MBA, Patricia J. Carchidi, RN, MSN,
Anne F. Kittler, Robert C. Goldszer, MD, MBA, David G. Fairchild, MD, MPH,
Andrew J. Sussman, MD, MBA, Gilad J. Kuperman, MD, PhD, David W. Bates, MD, MSc
PURPOSE: Electronic medical record systems improve the medical record for a 5-year period was $86,400 per provider.
quality of patient care and decrease medical errors, but their Benefits accrue primarily from savings in drug expenditures,
financial effects have not been as well documented. The purpose improved utilization of radiology tests, better capture of
of this study was to estimate financial benefit or cost of charges, and decreased billing errors. In one-way sensitivity
implementing electronic medical record systems in primary analyses, the model was most sensitive to the proportion of
care. patients whose care was capitated; benefit varied from a
METHODS: We performed a cost-benefit study to analyze the low of $8400 to a high of $140,100. A five-way sensitivity anal-
financial effects of electronic medical record systems in ambu- ysis with the most pessimistic and optimistic assumptions
latory primary care settings from the perspective of the health showed results ranging