Fig. 2From: Combined obstructive airflow limitation associated with interstitial lung diseases (O-ILD): the bad phenotype ?Survival of patients based on their O-ILD phenotype. Kaplan-Meyer curve comparing ILD with or without obstructive syndrome in a Global ILD cohort. b ILD patient without progressive ILD. c Connective tissue disease (CTD) associated pulmonary fibrosis (CTD-PF) cohort. d Rheumatoid arthritis (RA) associated pulmonary fibrosis cohortBack to article page