Comparing Proxy, Adolescent, and Adult Assessments of Functional Ability in Adolescents With Juvenile Idiopathic Arthritis.
Stephanie J W Shoop-WorrallKimme L HyrichSuzanne M M VerstappenJamie C SergeantEileen BaildamAlice ChiengJoyce DavidsonHelen FosterYiannis IoannouFlora McErlaneLucy R WedderburnWendy ThomsonJanet E McDonaghPublished in: Arthritis care & research (2020)
While there is relatively high agreement and similar classification of change between HAQ and the 2 C-HAQ scores, these are not completely interchangeable. This impacts the comparison of function when measured in different ways over the lifespan.