Measuring Outcomes in Psoriatic Arthritis: Comparing Routine Assessment of Patient Index Data and Psoriatic Arthritis Impact of Disease.
Jessica A WalshMarilyn T WanChristine WillingerM Elaine HusniJose U ScherSoumya M ReddyPhilip S HelliwellPublished in: The Journal of rheumatology (2019)
RAPID3 and PsAID12 have excellent construct validity in PsA and are strongly correlated despite differing items. Contextual factors (i.e., the presence of depression and obesity) should be considered when interpreting raw scores of the RAPID3 and PsAID12.