Original articleFunctional Measures Across Neurologic Disease States: Analysis of Factors in Common
Section snippets
Participants
Participants with stroke were patients consecutively admitted to any of the 3 general hospitals in a single region meeting the World Health Organization (WHO) definition for acute stroke5 (but not including subarachnoid hemorrhage). Participants with TBI were patients consecutively admitted to any of 3 general hospitals in the same region meeting the definition of TBI adopted by the Traumatic Brain Injury Model Systems Database project6 and staying at least 24 hours in hospital. Patients who
Results
One hundred seventy-nine patients with stroke and 89 patients with TBI had an assessment of pre-event functioning. One hundred twenty-three patients with stroke (69%) also had a 12-month follow-up assessment (follow-up rate to death or 12-month assessment was 95%). Sixty-eight patients with TBI (76%) had a 12-month community assessment. Thirty-eight patients with polio a mean of 25 years previously were assessed at a single visit.
Demographic details of subjects in each cohort are described in
Discussion
The main findings from this study were that across 3 diagnostic groups and different time points, measures spanning disability, handicap, community integration, and health status correlated highly and effectively measured only 2 principal components: one that is dominantly physical and one that has more of an emotional/cognitive flavor. This relation holds whether the time point of interest is pre-event functioning or 12 months postevent. It also appears to hold over a wide range of impairment
Conclusions
These data suggest 2 basic underlying dimensions across a wide range of measures in 3 different neurologic conditions at different time points. Most of the variation in the measures can be captured using the 2 component summary scores (PCS, MCS) of the SF-36.
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Supported by the Henry Cotton Bequest.
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