Salima F E van Weely

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INTRODUCTION Ankylosing Spondylitis (AS) is characterised by limitations in physical function. The Bath Ankylosing Spondylitis Functional Index (BASFI) is considered to be the gold-standard to assess physical function in AS patients. However, the BASFI questionnaire is a self-reported outcome measure and susceptible to subjective interpretation (under- or(More)
OBJECTIVE To establish the test-retest reproducibility of performance measures of physical function based on the Bath Ankylosing Spondylitis Functional Index (BASFI) questionnaire in patients with AS. METHODS Data were obtained from 65 AS patients. They were tested on two occasions by one assessor with a 1-week interval. Physical function was assessed via(More)
OBJECTIVE A prospective study was conducted in order to establish whether AS patients, who are defined as non-responders after 3 months of anti-TNF therapy, show improvement on performance-based tests of physical functioning. METHODS At baseline and 3 months after the start of anti-TNF therapy, AS patients completed seven performance-based tests of(More)
OBJECTIVE (1) To select a limited number of performance-based tests that are reliable, show improvement in physical functioning after tumor necrosis factor inhibitor (TNFi) therapy in patients with ankylosing spondylitis (AS), and generate information equivalent to the full set of tests, and (2) are feasible for use in daily clinical practice. METHODS(More)
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