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Duplicate patient records--implication for missed laboratory results

Erel Joffe1, Charles F Bearden, Michael J Byrne

  • 1School of Biomedical Informatics, The University of Texas, Health Science Center in Houston, TX, USA.

AMIA ... Annual Symposium Proceedings. AMIA Symposium
|January 11, 2013
PubMed

Insights

Duplicate patient records increase the risk of missing important laboratory results. This study found a higher rate of missed abnormal lab results in patients with duplicate records, highlighting a significant patient safety concern.

Area of Science:

  • Health Informatics
  • Patient Safety
  • Clinical Laboratory Science

Background:

  • Duplicate electronic health records pose a potential patient safety hazard.
  • The clinical impact of duplicate records has not been previously quantified.
  • This study investigated the association between duplicate records and missed abnormal laboratory results.

Purpose of the Study:

  • To determine if duplicate patient records are associated with an increased risk of missed abnormal laboratory results.
  • To quantify the association between duplicate records and missed critical lab values.

Main Methods:

  • Retrospective, matched cohort study involving 904 abnormal laboratory results (HgbA1c, TSH, Vitamin B12, LDL).
  • Comparison of missed laboratory result rates between patients with duplicate and non-duplicate records.
  • Matching of cases by laboratory test and ordering physician.

Main Results:

  • Duplicate records were significantly associated with a higher rate of missed laboratory results (OR=1.44, 95% CI 1.1-1.9).
  • Screening tests (OR=2.22) and older age (OR=1.15 per decade) were also linked to missed results.
  • Most results were correctly entered into the primary patient record.

Conclusions:

  • Duplicate patient records are linked to an elevated risk of missing critical laboratory results.
  • Addressing duplicate records is crucial for improving patient safety and preventing diagnostic errors.
Abstract

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