Comparing the Visual Analog Scale and the Numerical Rating Scale in Patient-reported Outcomes in Psoriatic Arthritis.
Weiyu YeSimon HackettClaire VandeveldeSarah TwiggPhilip S HelliwellLaura C CoatesPublished in: The Journal of rheumatology (2020)
The VAS and NRS show reasonable agreement in key patient-reported outcomes in PsA. Results from both scales are correlated with disease severity and life impact.
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