Fig. 2

Disease cost studies for patients with ILD. The blue and red bars represent different cost components for total direct and indirect costs, respectively. Inpatient costs include emergency department visits. Outpatient costs include medical services such as physician visits, laboratory tests, procedures, and health insurance. Community care refers to home support services, while extended care refers to long term care and hospice. Abbreviations: CTD, connective tissue disease; IIP, idiopathic interstitial pneumonia; IPF, idiopathic pulmonary fibrosis; PF-ILD, progressive fibrosing interstitial lung disease; SSc, systemic sclerosis; RA, rheumatoid arthritis