Orthopaedics Rheumatoid factor in rheumatoid arthritis is important because – A RA factor is associated with bad prognosis B Absent RA fact6r rules out the diagnosis of Rheumatoid arthritis C It is very common in childhood Rheumatoid arthritis D It correlates with disease activity 💡 Explanation Rheumatoid factor in rheumatoid arthritis is important because - ✓ Correct Answer: A. RA factor is associated with bad prognosis