Final answer:
In rheumatoid arthritis (RA), the presence of JRA+ANA is a good prognostic factor, while RF is a poor prognostic factor. The treatment for RA includes NSAIDs, methotrexate, and steroids.
Step-by-step explanation:
In rheumatoid arthritis (RA), the presence of JRA+ANA is a good prognostic factor, while RF is a poor prognostic factor. Additionally, the polyarticular subtype and older age of onset are associated with a worse prognosis. The treatment for RA includes NSAIDs, methotrexate, and steroids, with NSAIDs being the first-line therapy followed by methotrexate and steroids.