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Validation study in four health-care databases: upper gastrointestinal bleeding misclassification affects precision

Vera E Valkhoff1, Preciosa M Coloma2, Gwen M C Masclee1

  • 1Department of Medical Informatics, Erasmus University Medical Center, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands; Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Wytemaweg 80, 3015 CN, Rotterdam The Netherlands.

Journal of Clinical Epidemiology
|May 6, 2014
PubMed
Abstract

Keywords:
Drug safetyNon-steroidal anti-inflammatory agentsPositive predictive valueSignal detectionUpper gastrointestinal bleedingValidation study

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