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J Am Med Inform Assoc 21:e71-e77 doi:10.1136/amiajnl-2013-001804
  • Research and applications

The impact of electronic health records on people with diabetes in three different emergency departments

Editor's Choice
  1. Donald P Connelly8
  1. 1Institute for Health Informatics, University of Minnesota, Minneapolis, Minnesota, USA
  2. 2Division of Health Care Financing and Policy, Health Insurance Review and Assessment Service, Seoul, South Korea
  3. 3Division of Health Policy and Management, School of Public Health, University of Minnesota, Minneapolis, Minnesota, USA
  4. 4Health Informatics Division, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
  5. 5Bershow Consulting LLC, Minneapolis, Minnesota, USA
  6. 6Corporate Services and Departments of Medicine and Nursing, Institute of Health Informatics, Fairview Health Services and University of Minnesota, Minneapolis, Minnesota, USA
  7. 7Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, Minnesota, USA
  8. 8Laboratory Medicine and Pathology, Institute for Health Informatics, University of Minnesota, Minneapolis, Minnesota, USA
  1. Correspondence to Dr Stuart M Speedie, Institute for Health Informatics, University of Minnesota, MMC 912, Room 330 Diehl Hall, 420 Delaware Streeet SE, Minneapolis, MN 55455, USA; speed002{at}umn.edu
  • Received 15 March 2013
  • Revised 1 June 2013
  • Accepted 11 June 2013
  • Published Online First 10 July 2013

Abstract

Objective To evaluate if electronic health records (EHR) with prior clinical information have observable effects for patients with diabetes presenting to emergency departments (ED), we examined measures of quality and resource utilization.

Materials and methods Retrospective observational studies of patients in three ED (A=5510; B=4393; C=3324) were conducted comparing patients with prior information in the EHR to those without such information. Differences with respect to hospitalization, mortality, length of stay (LOS), and numbers of ED orders for tests, procedures and medications were examined after adjusting for age, gender, race, marital status, comorbidities and for acuity level within each ED.

Results There were 7% fewer laboratory test orders at one ED and 3% fewer at another; fewer diagnostic procedures were performed at two of the sites. At one site 36% fewer medications were ordered. The odds of being hospitalized were lower for EHR patients at one site and hospital LOS was shorter at two of the sites. EHR patient ED LOS was 18% longer at one site. There was no demonstrable impact of an EHR on mortality. Results varied in magnitude and direction by site.

Discussion The pattern of significant results varied by ED but tended to reveal reduced utilization and better outcomes for patients although EHR patients’ ED LOS was longer at one site.

Conclusions The presence of prior information in an EHR may be a valuable adjunct in the care of diabetes patients in ED settings but the pattern of impact may vary from ED to ED.

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