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Epidemiology of Rheumatoid Arthritis. Approximately 1% of the total adult population is affected by RA40% to 60% with advanced (functional class IV) RA will:Survive 5 years or less following diagnosisDie 10-15 years earlier than expected. Costs per patient RA CADDirect cos
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1. Rheumatoid Arthritis: Definition Progressive, systemic, inflammatory disorder
Unknown etiology
Characterized by
Symmetric synovitis
Joint erosions
Multisystem extra-articular manifestations
2. Epidemiology of Rheumatoid Arthritis Approximately 1% of the total adult population is affected by RA
40% to 60% with advanced (functional class IV) RA will:
Survive 5 years or less following diagnosis
Die 10-15 years earlier than expected
3. Costs per patient RA CAD Direct costs* $3790 $7929 Indirect costs† $2735 $1051 Total costs $6525 $8980 *Estimated in 1.74 million patients with RA in 1994 dollars and 616,900 patients with CAD in 1995 dollars † Estimated in 1.05 million patients with RA, ages 18-64, in 1994 dollars and 616,900 patients with CAD in 1995 dollars Costs of Rheumatoid Arthritis versus Coronary Artery Disease