Validating Administrative Data in Stroke Research

By D. Tirschwell, W. Longstreth. Stroke, 2002

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Accuracy of ICD-9-CM Codes for Identifying Cardiovascular and Stroke Risk Factors (2005, neutral): “95.(5,13,18) We found a lower sensitivity (0.”
Cardiovascular, Bleeding, and Mortality Risks in Elderly Medicare Patients Treated With Dabigatran or Warfarin for Nonvalvular Atrial Fibrillation (2015, background): “† The HAS-BLED score assigns points for the presence of hypertension, abnormal renal or liver function, stroke, bleeding history, labile INR, age 65 years, and antiplatelet drug or alcohol use.(18,19) Labile INR could not be determined from claims data and was excluded from our scoring.”