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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
Summary
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.
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