Figure 2.

Individual values of REE (left) and RE (right) in patients with arthritis and controls. (A) Patients with psoriatic arthritis, (B) group-I rheumatoid arthritis, or (C) groupII rheumatoid arthritis; (D) controls. Triangles indicate the mean values. Vertical bars indicate standard deviations. RE, relative enhancement; REE, rate of early enhancement.