Agreement between routine electronic hospital discharge and Scottish stroke care audit (SSCA) data in identifying stroke in the Scottish population

Turner, M., Barber, M., Dodds, H., Dennis, M., Langhorne, P. and Macleod, M.-J. (2015) Agreement between routine electronic hospital discharge and Scottish stroke care audit (SSCA) data in identifying stroke in the Scottish population. BMC Health Services Research, 15, 583. (doi:10.1186/s12913-015-1244-y) (PMID:26719156) (PMCID:PMC4697331)

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Abstract

Background In Scotland all non-obstetric, non-psychiatric acute inpatient and day case stays are recorded by an administrative hospital discharge database, the Scottish Morbidity Record (SMR01). The Scottish Stroke Care Audit (SSCA) collects data from all hospitals managing acute stroke in Scotland to support and improve quality of stroke care. The aim was to assess whether there were discrepancies between these data sources for admissions from 2010 to 2011. Methods Records were matched when admission dates from the two data sources were within two days of each other and if an International Classification of Diseases (ICD) code of I61, I63, I64, or G45 was in the primary or secondary diagnosis field on SMR01. We also carried out a linkage analysis followed by a case-note review within one hospital in Scotland. Results There were a total of 22 416 entries on SSCA and 22 200 entries on SMR01. The concordance between SSCA and SMR01 was 16 823. SSCA contained 5593 strokes that were not present in SMR01, whereas SMR01 contained 185 strokes that were not present in SSCA. In the case-note review the concordance was 531, with SSCA containing 157 strokes that were not present in SMR01 and SMR01 containing 32 strokes that were not present in SSCA. Conclusions When identifying strokes, hospital administrative discharge databases should be used with caution. Our results demonstrate that SSCA most accurately represents the number of strokes occurring in Scotland. This resource is useful for determining the provision of adequate patient care, stroke services and resources, and as a tool for research.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Langhorne, Professor Peter
Authors: Turner, M., Barber, M., Dodds, H., Dennis, M., Langhorne, P., and Macleod, M.-J.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cardiovascular and Medical Sciences
Journal Name:BMC Health Services Research
Publisher:Biomed Central
ISSN:1472-6963
ISSN (Online):1472-6963
Copyright Holders:Copyright © 2015 Turner et al.
First Published:First published in BMC Health Services Research 15:583
Publisher Policy:Reproduced under a Creative Commons License

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