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.
| ACR score | |
|---|---|
| Purpose | Quantify degree of symptoms in rheumatoid arthritis[1] |
Different degrees of improvement are referred to as ACR20, ACR50, ACR70. ACR20 was initially proposed with ACR scoring, measuring a 20% improvement on a scale of 28 intervals. ACR50 and ACR70 were later proposed, corresponding to 50% and 70% improvements.[2]
The Rheumatoid Arthritis Severity Scale (RASS) is based on sections of the ACR scoring system.[3]
The 2010 ACR / EULAR Rheumatoid Arthritis Classification Criteria, which includes anti-CCP testing, has been developed to focus on early disease, and on features that are associated with persistent or erosive disease.[4]
References
edit- ^ a b Felson, David T.; Anderson, Jennifer J.; Boers, Maarten; Bombardier, Claire; Furst, Daniel; Goldsmith, Charles; Katz, Linda M.; Lightfoot, Robert; Paulus, Harold; Strand, Vibeke; Tugwell, Peter; Weinblatt, Michael; James Williams, H.; Wolfe, Frederick; Kieszak, Stephanie (1995). "American college of rheumatology preliminary definition of improvement in rheumatoid arthritis". Arthritis & Rheumatism. 38 (6). Wiley: 727–735. doi:10.1002/art.1780380602. ISSN 0004-3591.
- ^ Rocha, Kathleen. "ACR Score: Measuring Rheumatoid Arthritis". RheumatoidArthritis.org. Retrieved 4 April 2017.
- ^ Bardwell; et al. (2002). "Rheumatoid Arthritis Severity Scale: a brief, physician-completed scale not confounded by patient self-report of psychological functioning". Rheumatology. 41 (1): 38–45. doi:10.1093/rheumatology/41.1.38. PMID 11792878.
- ^ Aletaha D, Neogi T, Silman AJ, et al. (September 2010). "2010 rheumatoid arthritis classification criteria: an American College of Rheumatology/European League Against Rheumatism collaborative initiative" (PDF). Ann. Rheum. Dis. 69 (9): 1580–8. doi:10.1136/ard.2010.138461. PMID 20699241.
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