Orthopaedics General a742a994

Rheumatoid factor in rheumatoid arthritis is important because -

RA factor is associated with bad prognosis

Absent RA fact6r rules out the diagnosis of Rheumatoid arthritis

It is very common in childhood Rheumatoid arthritis

It correlates with disease activity

High-Yield Explanation

"The chief value of the rheumatoid factor tests is in the assessment of prognosis : persistently high titers herold more serious disease including extra-articular features". — Apley

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Rheumatoid factor in rheumatoid arthritis is important because -

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