Source:Archives of Physical Medicine and Rehabilitation
Author(s): Yi-Jing Huang, Gong-Hong Lin, Shih-Chieh Lee, Yi-Miau Chen, Sheau-Ling Huang, Ching-Lin Hsieh
ObjectiveTo examine both group- and individual-level responsiveness of the 3-point Berg Balance Scale (BBS-3P) and 3-point Postural Assessment Scale for Stroke Patients (PASS-3P) in patients with stroke, and to compare the responsiveness of both 3-point measures versus their original measures (BBS and PASS) and their short forms (SFBBS and SFPASS) and between the BBS-3P and PASS-3P.DesignThe data were retrieved from a previous study wherein 212 patients were assessed at 14 and 30 days after stroke with the BBS and PASS.SettingMedical center.ParticipantsPatients with first onset of stroke within 14 days before hospitalization.Interventions.Not applicable.Main Outcome Measures.Group-level responsiveness was examined by the standardized response mean (SRM), and individual-level responsiveness was examined by the proportion of patients whose change scores exceeded the minimal detectable change of each measure. The responsiveness was compared using bootstrap approach.ResultsThe BBS-3P and PASS-3P had good group-level (SRM=0.60 and 0.56, respectively) and individual-level (48.1% and 44.8% of the patients with significant improvement, respectively) responsiveness. Bootstrap analyses showed that the BBS-3P generally had superior responsiveness to the BBS and SFBBS, and the PASS-3P had similar responsiveness to the PASS and SFPASS. The BBS-3P and PASS-3P were equally responsive to both group and individual's change.ConclusionsThe responsiveness of the BBS-3P and PASS-3P was comparable or superior to those of the original and short-form measures. We recommend the BBS-3P and PASS-3P as responsive outcome measures of balance for individuals with stroke.
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