J Rheumatol
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Randomized Controlled Trial Clinical Trial
Problem elicitation to assess patient priorities in ankylosing spondylitis and fibromyalgia.
To elicit patient priorities as outcome measures in ankylosing spondylitis (AS) and fibromyalgia (FM); to relate these measures to other outcomes; to assess construct validity and sensitivity to change of the problem elicitation technique (PET) questionnaire. ⋯ Obtaining patient priorities was generally feasible. In both groups of patients construct validity of the PET questionnaire was satisfactory. The PET was much more sensitive to change in patients with AS than in patients with FM.