Fig. 2
From: Risk factors for the recurrence of relapsing polychondritis
Recurrence-free survival curve of the prednisolone monotherapy (PM) and prednisolone combined with immunosuppressants/biologics (PC) groups. One-year relapse-free survival curves for patients who received prednisolone monotherapy as the initial therapy and for patients who received a combination of prednisolone and immunosuppressants. Wilcoxon’s rank-sum test p=0.0372 (log-rank test p=0.0655)