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J Health Care Poor Underserved. 2009 Aug;20(3):831-9. doi: 10.1353/hpu.0.0187.

The use of antiplatelet agents for secondary prevention of ischemic stroke in U.S. ambulatory care settings.

Author information

  • 1National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, MD 20782, USA. RNiska@cdc.gov

Abstract

INTRODUCTION:

We examined stroke prevention with antiplatelet agents by U.S. nonfederal office physicians and hospital outpatient departments from 2005-2006.

METHODS:

The nationally representative dataset used a multistage (112 primary sampling units, physicians/ hospitals, patient medical records) random sample of 1,702 visits by patients 20 years or older with cerebrovascular disease (national estimate: 15.4 million annual visits). Dependent variable: use of antiplatelet agents for patients without contraindications. Independent variables: age, sex, race/ethnicity, payment, primary care provider, prior visits in last year, comorbidities. Logistic regression was used to investigate associations with recommended interventions.

RESULTS:

Antiplatelet agents were prescribed at 31.1% of visits. Positive predictors: seeing the patient's primary care provider and having five or more comorbidities. Negative predictors: non-Hispanic Black race/ethnicity and having six or more prior visits in the last year.

CONCLUSION:

Variations by visit characteristics suggest that improvement in using antiplatelet agents is possible, especially for non-Hispanic Black patients.

PMID:
19648709
[PubMed - indexed for MEDLINE]
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