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ACR score is a scale to measure change in rheumatoid arthritis symptoms. [1] It is named after the American College of Rheumatology. The ACR score is more often used in clinical trials than in doctor patient-relationships, as it allows a common standard between researchers. Different degrees of improvement are referred to as ACR20, ACR50, ACR70.
These new classification criteria overruled the "old" ACR criteria of 1987 and are adapted for early RA diagnosis. The "new" classification criteria, jointly published by the American College of Rheumatology (ACR) and the European League Against Rheumatism (EULAR) establish a point value between 0 and 10.
In July 2010, the 2010 ACR/EULAR Rheumatoid Arthritis Classification Criteria were introduced. [3] These new classification criteria include ACPA testing, and overruled the "old" ACR criteria of 1987 and are adapted for early RA diagnosis.
The sensitivity of RF for established rheumatoid arthritis is only 60 to 70 percent with a specificity of 78 percent. [8] Rheumatoid factor is part of the 2010 ACR/EULAR classification criteria for rheumatoid arthritis. RF positivity combines well with anti-CCP and/or 14-3-3η to inform diagnosis. [9]
Some physicians make a diagnosis based on the American College of Rheumatology (ACR) classification criteria. However, these criteria were primarily established for use in scientific research, including selection for randomized controlled trials, which require higher confidence levels. As a result, many people with SLE may not meet the full ACR ...
In the context of rheumatoid arthritis (RA), CRP is one of the acute phase reactants, whose assessment is defined as part of the joint 2010 ACR/EULAR classification criteria for RA with abnormal levels accounting for a single point within the criteria.
Multiple standards exist for defining Henoch–Schönlein purpura, including the 1990 American College of Rheumatology (ACR) classification [16] [17] and the 1994 Chapel Hill Consensus Conference (CHCC). [18] Some have reported the ACR criteria to be more sensitive than those of the CHCC. [19]
The RAQoL was developed by Galen Research, the University of Leeds and the Academic Hospital Maastricht, and was first published in 1997. [5] It was the first patient completed quality of life questionnaire that focused on rheumatoid arthritis [6] and is distinct from other questionnaires as it includes physical contact as a dimension of quality of life. [3]