Validity and Psychometric Properties of 3 and 4 Visual Analog Scale in Participants With Psoriatic Arthritis Treated With Guselkumab
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Objective: To evaluate the validity of the 3-item Visual Analog Scale (3VAS) and 4VAS and determine the minimal clinically important difference (MCID) and minimal detectable change (MDC) for each measure using data from three pha... ...
