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Assessment of functional outcome in a national quality register for acute stroke: can simple self-reported items be transformed into the modified Rankin Scale?
Umeå University, Faculty of Medicine, Public Health and Clinical Medicine, Medicine. Medicin.
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2007 (English)In: Stroke, ISSN 1524-4628, Vol. 38, no 4, 1384-1386 p.Article in journal (Refereed) Published
Place, publisher, year, edition, pages
2007. Vol. 38, no 4, 1384-1386 p.
Keyword [en]
Activities of Daily Living, Aged, Cerebrovascular Accident/*epidemiology/rehabilitation, Disability Evaluation, Female, Humans, Interviews, Male, Mobility Limitation, Outcome Assessment (Health Care)/*methods/standards, Quality Assurance; Health Care/*methods/standards/statistics & numerical data, Quality of Life, Registries/*standards/statistics & numerical data, Reproducibility of Results, Self-Evaluation Programs/*methods/standards/statistics & numerical data, Sweden
URN: urn:nbn:se:umu:diva-16978DOI: doi:10.1161/01.STR.0000260102.97954.9cPubMedID: 17322093OAI: diva2:156651
Available from: 2007-10-25 Created: 2007-10-25Bibliographically approved
In thesis
1. Aspects on stroke outcome: survival, functional status, depression and sex differences in Riks-Stroke, the National Quality Register for Stroke Care
Open this publication in new window or tab >>Aspects on stroke outcome: survival, functional status, depression and sex differences in Riks-Stroke, the National Quality Register for Stroke Care
2008 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Stroke is a major cause of death and disability worldwide. In Sweden, about 30 000 strokes occur each year. The aim of this thesis was to analyse survival, functional outcome and self-reported depression after stroke, and to explore possible differences between men and women in stroke care and outcome.

These studies were based on Riks-Stroke, the Swedish national quality register for stroke care. Information on background variables and treatment were collected during the hospital stay. The patient’s situation and outcome after stroke were followed-up after 3 months. Long term survival was retrieved from the Swedish Population Register (Folkbokföringen).

Possible sex-differences in stroke care and outcome 3 months after stroke were explored in 24 633 strokes, registered during 2006. In conscious patients, the proportions treated at stroke units were similar for men and women. Men and women had equal chance to receive thrombolytic therapy or secondary prevention with oral anticoagulants. Compared to men, women were less likely to develop pneumonia, but more likely to experience deep venous thromboses and fractures during hospital stay. Women had worse 3-month survival and functional outcome, differences that were explained by their higher age and impaired level of consciousness on admission. Women felt more depressed and perceived their health as worse than men did. Women were also less satisfied with the care they had received in the hospital.

The agreement between self-reported functional outcome 3 months after stroke and the commonly used modified Rankin Scale (mRS) was explored in 555 stroke survivors from 4 hospitals during May-September 2005. Riks-Stroke’s self-reported questions classified 76% of the patients into correct mRS grade.

The association between functional outcome 3 months after stroke and 3-year survival was assessed in 15 959 men and women who had had a stroke during 2001-2002. Patients with estimated mRS grades 3, 4 and 5 had hazard ratios for death of 1.7, 2.5 and 3.8, respectively, as compared with patients with lower grades, 0-2. Depressed mood, male sex, high age, diabetes, smoking, antihypertensive therapy at onset and atrial fibrillation were also identified as predictors of poor survival.

Self-reported depression 3 months after stroke and use of antidepressants were analysed in 15 747 stroke survivors from 2002. Fourteen percent felt depressed 3 months after stroke. Female sex, age <65, previous stroke, living alone or in institution, or being dependent in activities of daily living (ADL) were factors associated with self-reported depression. At the follow-up, 22% of the men and 28% of the women were using antidepressant medication, which were approximately twice as many as in the general population. Still, 8% of all patients in Riks-Stroke reported depressive mood but no treatment with antidepressants.

In conclusion, men and women with stroke in Sweden experience similar treatment and outcome in most aspects. Patient-reported functional outcome can be reliably transformed to a standard disability scale. Impaired functional outcome three months after stroke is an independent predictor of poor long-term survival. Depressive mood is common after stroke and is associated with poor survival and impaired functional outcome.

Place, publisher, year, edition, pages
Umeå: Folkhälsa och klinisk medicin, 2008. 53 p.
Umeå University medical dissertations, ISSN 0346-6612 ; 1171
stroke, stroke outcome, registry, sex differences, case fatality, functional recovery, depression
National Category
Clinical Science
urn:nbn:se:umu:diva-1649 (URN)987-91-7264-546-2 (ISBN)
Public defence
2008-06-13, Sal B, Tandläkarhögskolan, 9tr, Norrlands Universitetssjukhus, Umeå, 09:00 (English)
Available from: 2008-05-13 Created: 2008-05-13 Last updated: 2010-01-18Bibliographically approved

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