Figure 3From: Value of self-performed joint counts in rheumatoid arthritis patients near remission Discordance of joint assessment is dependent on overall number of active joints. Bland-Altman-Plot for patient and biometrician joint counts, plotting the differences of their joint counts (y-axis) against the mean of the joint counts (x-axis). The discordance of assessment increases with higher number of affected joints.Back to article page