Why the study?
Does a specific ICD-9 coding strategy accurately identify incident strokes in Medicaid health data?
Population
Medicaid patients with incident strokes resulting in hospitalization
Authors
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May support etiologic stroke studies in Medicaid claims; leaves open external validation.
Does a specific ICD-9 coding strategy accurately identify incident strokes in Medicaid health data?
A specific ICD-9 coding strategy yields an 80% positive predictive value for identifying incident strokes in Medicaid data, enabling its use in etiologic studies.
Roumie et al. (2007) studied this question.
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