Figure 1From: Predictors of survival in a cohort of patients with polymyositis and dermatomyositis: effect of corticosteroids, methotrexate and azathioprineKaplan-Meier estimates for survival in polymyositis (PM) and dermatomyositis (DM) patients. Each tick mark corresponds to a time of patient censoring. Survival rates were not significantly different according to diagnosis (P = 0.12).Back to article page