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AMIA Annu Symp Proc. 2012;2012:1269-75. Epub 2012 Nov 3.

Duplicate patient records--implication for missed laboratory results.

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

Abstract

INTRODUCTION:

Although duplicate records are a potential patient safety hazard, the actual clinical harm associated with these records has never been studied. We hypothesized that duplicate records will be associated with missed abnormal laboratory results.

METHODS:

A retrospective, matched, cohort study of 904 events of abnormal laboratory result (HgbA1c, TSH, Vitamin B(12), LDL). We compared the rates of missed laboratory results between patients with duplicate and non-duplicate records from the ambulatory clinics. Cases were matched according to test and ordering physician.

RESULTS:

Duplicate records were associated with a higher rate of missed laboratory results (OR=1.44, 95% CI 1.1-1.9). Other factors associated with missed lab results were tests performed as screening (OR=2.22, 95% CI 1.4-3.4), and older age (OR=1.15 for every decade, 95% CI 1.01-1.2). In most cases test results were reported into the main patient record.

DISCUSSION:

Duplicate records were associated with a higher risk of missing important laboratory results.

PMID:
23304405
PMCID:
PMC3540536
[Indexed for MEDLINE]
Free PMC Article
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