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Readmissions after stroke: linked data from the Australian Stroke Clinical Registry and hospital databases

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Understanding the factors that contribute to hospital readmission for patients who have had acute stroke could improve outcomes for these people. Estimates of the frequency of readmission to hospital within the first year of onset vary widely from 13% to 62%, in part depending on whether readmission is for any cause or for a stroke-specific diagnosis.1,2 Hospital readmission is also frequent (36%–48%) after transient ischaemic attack (TIA).3,4 Predictors of hospital readmission after a stroke include older age, multiple comorbidities, diabetes mellitus, longer length of stay, physician specialty for the index admission, and size and type of hospital.5 To our knowledge, no study has specifically examined predictors of hospital readmission after TIA.

The Australian Stroke Clinical Registry (AuSCR) was established in 2009 to collect prospective, continuous, patient-level data on the quality of acute stroke care and patient outcomes (http://www.auscr.com.au).6 Linkage of AuSCR data to routinely collected hospital data can provide a powerful quality improvement tool, giving the ability to understand variations in care and predictors of important outcomes.…