[Functional ability and parameters of disease activity in rheumatoid arthritis].

After the pain, the loss of functional ability is the most important sign of severity of the disease for patient who suffer from rheumatoid arthritis (RA). Our research is based on the correlation between functional disability with other parameters which determine the course of a disease, its activity and the level of its progression. The sample consists of 40 patients with RA, with mean age 56.