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Validation of Diagnoses of Transient Ischemic Attack in the Swedish Stroke Register (Riksstroke) TIA-Module
Department of Clinical Sciences Neurology, Lund University, Lund, Sweden; Department of Neurology, Skåne University Hospital, Malmö, Sweden.
Centre for Health Sciences, Örebro University Hospital, Örebro, Sweden.ORCID iD: 0000-0002-6681-0546
Department of Clinical Sciences Neurology, Lund University, Lund, Sweden; Department of Neurology, Skåne University Hospital, Malmö, Sweden.
Department of Clinical Sciences Neurology, Lund University, Lund, Sweden; Department of Neurology, Skåne University Hospital, Malmö, Sweden.
2015 (English)In: Neuroepidemiology, ISSN 0251-5350, E-ISSN 1423-0208, Vol. 45, no 1, 40-43 p.Article in journal (Refereed) Published
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Text
Abstract [en]

Background: In 2010, the Swedish Stroke Register (Riksstroke; RS) established a module for transient ischemic attacks (RS-TIA). We report a diagnostic validation study of patients included in RS-TIA.

Methods: During the first year, 7,825 patients were registered at 59 out of 74 Swedish hospitals. A time-based TIA definition was applied. A sample of 180 patients (30 patients each from 6 hospitals), with a similar distribution of age and sex as in RS-TIA, was prepared. Two independent observers assessed medical records for quality of documentation and assigned a diagnosis of likely, possible, unlikely TIA or ischennic stroke, according to pre-specified criteria.

Results:The 2 observers agreed in 77% of cases that the event was a likely or possible TIA, in 3% that the event was an ischemic stroke, and in 2% that the event was an unlikely TIA. The observers disagreed in 8% of patients on TIA vs. ischennic stroke, and in 11% on a vascular vs. non-vascular cause. Quality of documentation was fair.

Conclusions: There was interobserver agreement on diagnosis of TIA in the majority of patients included in RS-TIA. Diagnostic accuracy may be further improved by more systematic documentation of symptoms and signs.

Place, publisher, year, edition, pages
S. Karger, 2015. Vol. 45, no 1, 40-43 p.
Keyword [en]
TIA, Diagnosis, Validation, Register
National Category
Neurology
Research subject
Neurology
Identifiers
URN: urn:nbn:se:oru:diva-47046DOI: 10.1159/000437266ISI: 000359881800006PubMedID: 26201601Scopus ID: 2-s2.0-84937811097OAI: oai:DiVA.org:oru-47046DiVA: diva2:881728
Note

Funding Agency:

Swedish Stroke-Riksförbundet

Available from: 2015-12-11 Created: 2015-12-11 Last updated: 2015-12-11Bibliographically approved

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CiteExportLink to record
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  • apa
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