The Effect of Prednisone on Tuberculin Skin Test Reaction in Patients with Rheumatoid Arthritis

Figure 2

Correlation between TST size and (a) prednisone u-y in RA patients with prednisone therapy, (b) MTX u-y in RA patients with prednisone therapy, and (c) MTX u-y in RA patients without prednisone therapy. TST = tuberculin skin test; u-y = unit years; RA = rheumatoid arthritis; MTX = methotrexate.

(a)

(b)

(c)