The Clinical Arthritis RulE (C

This calculator estimates the risks of the presence of inflammatory arthritis based on the research of Ten Brinck et al. More information on this calculator can be found at the bottom of the page. The rule is developed for use in patients in whom GPs or other physicians doubt about the presence of inflammatory arthritis. The calculator estimates the risk of the presence of synovitis, detectable at joint examination by experienced rheumatologists.