Fig. 1From: Comorbidity burden and survival in patients with idiopathic pulmonary fibrosis: the EMPIRE registry studyOverall survival in patients with IPF by number of comorbidities at enrolment and during follow-up. Comorbidities (a) prevalent at enrolment and (b) cumulative at enrolment and during follow-up (both n = 3580). IPF, idiopathic pulmonary fibrosisBack to article page