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Table 1 Different concepts covered by PGA and examples of different types of wording used

From: Patient global assessment in measuring disease activity in rheumatoid arthritis: a review of the literature

Concept Attribution to RA Example question Reference period
Disease activity Related to arthritis “Considering all the ways your arthritis has affected you, how active do you feel your arthritis is …”
“Considering the tenderness, pain, and swelling of joints, how active is your rheumatoid arthritis ....”
“In general, how active has your rheumatic condition been?”
“How active do you consider your arthritis?”
“In terms of joint tenderness (i.e., joint pain associated with light touch) and joint swelling (i.e., joint enlargement due to inflammation), how active would you say your rheumatic condition is today?’
Today
Over the past 2 days
Last week
Last month
Unspecified time period
Overall “How do you estimate your disease activity ..?”
Global health Related to arthritis “Considering all the ways your arthritis has affected you, how would you say your health is …”
“Considering all the ways in which your illness affects you at this time, please make a mark below to show how you are doing”
“How has your arthritis affected you today?”
“Considering all the ways your arthritis affects you, rate how well you are doing on the following scale…”
Overall “Considering all the ways in which illness and health conditions may affect you at this time, please make a mark below to show how you are doing”
“In general how would you say your health is”