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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following statements regarding Rheumatoid ahritis are true, except?
assistant
The correct answer is  High ESR and CRP are associated with poor prognosis in rheumatoid ahritis. Rheumatoid factor (IgM antibody directed against Fc poion of IgG) and anti CCP antibody are present in 70-80% of cases. Anti CCP antibody are the most specific blood test for rheumatoid ahritis.