Towards a multidimensional patient reported outcome measures assessment: development and validation of a questionnaire for patients with ankylosing spondylitis/spondyloarthritis.


OBJECTIVE To assess the validity, reliability and responsiveness to change of a patient self-reported questionnaire that can assess construct outcome measures of patients with ankylosing spondylitis (AS)/spondyloarthritis. METHODS The questionnaire was developed by integrating information obtained from patients suffering from AS/spondyloarthritis based on… (More)
DOI: 10.1016/j.jbspin.2010.02.017


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