Patients with RA find PGA-VAS confusing, unreliable for ranking disease states

Joel Hirsh
Vulnerable patients with rheumatoid arthritis experience difficulty with the patient global assessment of disease activity as measured by visual analogue scale, with about 40% finding it confusing, according to findings published in Arthritis Care & Research.
“This study is important because it shows that many of our subjects found the widely used visual analog scale patient global assessments (PGA-VAS) instrument confusing,” Joel Hirsh, MD, of the Denver Health and Hospital Authority, told Healio Rheumatology. “This is concerning given that different versions
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