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. 2023 Mar 30;61(3):2103187. doi: 10.1183/13993003.03187-2021

FIGURE 1.

FIGURE 1

Schematic representation of the prevalent spectrum of interstitial lung diseases (ILDs) that may be associated with “progressive pulmonary fibrosis (despite management)”. The lowest and highest prevalences across different countries are shown in brackets [14]. CTD: connective tissue disease; G/F PF: genetic and/or familial pulmonary fibrosis; HP: hypersensitivity pneumonitis; iNSIP: idiopathic non-specific interstitial pneumonia; IPAF: interstitial pneumonia with autoimmune features; IPF: idiopathic pulmonary fibrosis; uILD: unclassifiable ILD. Adapted with permission from [15].