Stroke Research Today is a free monthly online journal that collates and summarizes the latest research about Stroke, including details on treatment, recovery, rehabilitation, signs, symptoms.

Physical health-related quality of life predicts stroke in the EPIC-Norfolk.

Myint PK, Surtees PG, Wainwright NW, Luben RN, Welch AA, Bingham SA, Wareham NJ, Khaw KT

Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK. Pkyawmyint@aol.com

OBJECTIVE: To examine the relationship between Short Form (SF)-36 physical functional health-related quality of life and incident stroke. METHODS: A total of 13,615 men and women participating in the European Prospective Investigation into Cancer-Norfolk who were free of stroke, myocardial infarction, and cancer at baseline were included in the study. Participants completed a health and lifestyle questionnaire and attended a health examination during 1993 to 1997. Self-reported physical functional health was assessed using physical component summary scores of SF-36 18 months later. Stroke incidence was ascertained by death certification and hospital record linkage up to 2005. RESULTS: There were 244 incident strokes (total person years = 99,191). People who reported better physical functional health had significantly lower risk of incident stroke. Using Cox proportional hazard models adjusting for age, sex, body mass index, systolic blood pressure, cholesterol, smoking, diabetes, physical activity, social class, alcohol consumption, and respiratory function, men and women who were in the top quartile of SF-36 physical component summary scores had half the risk of stroke (RR = 0.50 [0.31, 0.78]) compared to the people in the bottom quartile. The relationships remained unchanged after excluding strokes occurring within the first 2 years of follow-up. CONCLUSIONS: Physical functional health-related quality of life measured as Short Form-36 predicts subsequent stroke risk independently of known risk factors in a general population. Poor physical functional health may indicate a high-risk population for stroke who may benefit most from targeted preventive interventions such as management of known risk factors.

Published 11 December 2007 in Neurology, 69(24): 2243-8.
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