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Larsen LP, Johnsen SP, Andersen G, et al. Determinants of Health Status After Stroke: A Cohort Study with Repeated Measurements. Clin Epidemiol. 2020;12:1269-1279doi: 10.2147/CLEP.S270249.
Larsen, L. P., Johnsen, S. P., Andersen, G., & Hjollund, N. H. (2020). Determinants of Health Status After Stroke: A Cohort Study with Repeated Measurements. Clinical epidemiology, 121269-1279. https://doi.org/10.2147/CLEP.S270249
Larsen, Louise Pape, et al. "Determinants of Health Status After Stroke: A Cohort Study with Repeated Measurements." Clinical epidemiology vol. 12 (2020): 1269-1279. doi: https://doi.org/10.2147/CLEP.S270249
Larsen LP, Johnsen SP, Andersen G, Hjollund NH. Determinants of Health Status After Stroke: A Cohort Study with Repeated Measurements. Clin Epidemiol. 2020 Nov 16;12:1269-1279. doi: 10.2147/CLEP.S270249. eCollection 2020. PMID: 33235507; PMCID: PMC7678700.
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Clin Epidemiol. 2020 Nov 16;12:1269-1279. doi: 10.2147/CLEP.S270249. eCollection 2020.

Determinants of Health Status After Stroke: A Cohort Study with Repeated Measurements.

Clinical epidemiology

Louise Pape Larsen, Søren Paaske Johnsen, Grethe Andersen, Niels Henrik Hjollund

Affiliations

  1. AmbuFlex/WestChronic, Occupational Medicine, University Research Clinic, Aarhus University, Herning, Denmark.
  2. Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
  3. Department of Neurology, Aarhus University Hospital, Aarhus, Denmark.
  4. Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark.

PMID: 33235507 PMCID: PMC7678700 DOI: 10.2147/CLEP.S270249

Abstract

BACKGROUND: Knowledge about the long-term course of health following stroke is sparse and relies mainly on studies with short follow-up or few measurements per patient. We aimed to describe the course and analyze the determinants of the course of physical and mental health status after stroke with repeated measurements in a large population-based cohort of first time Danish stroke patients.

METHODS: We followed 2,414 first time stroke patients admitted to any hospital in the Central Denmark Region, Denmark, between October 1, 2008 and January 1, 2012, with five questionnaires over a 2 years period. Self-rated health was assessed by the SF-12 instrument. Information on possible clinical and patient-related determinants of self-rated health was obtained from questionnaires and national registers. The scores were analyzed at five selected fixed time-points and as well as longitudinally with mixed models.

RESULTS: The SF-12 mental component summary score (MCS) increased with 0.89 points/year (95% CI=0.6-1.2), while the increase in the physically component summary score (PCS) did not reach statistical significance (0.13/year; 95% CI=-0.2-0.5). The most pronounced changes were seen in the Vitality and Role Physical SF-12 subscales, which both increased by 2.1 points/year. No statistically significant changes over time were found in the Physical Functioning and Bodily Pain subscales. Variables associated with increasing self-rated mental health (MCS) were no comorbidity, older age, male gender, and mild stroke severity. Variables associated with increasing ratings of physical health (PCS) were mild stroke severity, no comorbidity, higher educational level, and younger age. The negative impact of age increased significantly with time during the follow-up period for physical as well as mental health, while the effects of the other variables were stable over time. The results were similar in the two analytical approaches.

CONCLUSION: In a large, geographically well-defined population of first time stroke patients, the majority of SF-12 sub-scales and the mental component score improved slightly over time. Small improvements in self-rated mental health may be observed during the first 2 years after the stroke. Stroke is a disease with long-term consequences on a wide range of health aspects. Level as well as course differ between sub-groups, and treatment of comorbidity may be an important target with respect to rehabilitation.

© 2020 Larsen et al.

Keywords: cohort studies; patient-reported outcome; repeated measurements; self-rated health; stroke

Conflict of interest statement

The authors declare that there is no conflict of interest.

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