Evaluation of the Progression of Rheumatoid Arthritis

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Abstract
The limb joints of 188 patients with rheumatoid arthritis were classified according to the LARSEN scoring system. The mean degree of involvement was approximately a linear function of the square root of the duration of the disease. A mild course in the elbows and metacarpophalangeal joints, and a severe course in the distal interphalangeal joints of the fingers and toes were related to age over 40 years at onset of the disease. A severe course in most of the hands occurred in women.