Fig. 1From: Efficacy of treatment with corticosteroids for fibrotic hypersensitivity pneumonitis: a propensity score-matched cohort analysisPatient recruitment flow diagram detailing the inclusion and exclusion of patients and the reasons for exclusion. The bold lines represent the patient groups included in further analysis. HP hypersensitivity pneumonitis; ILD interstitial lung disease; PDN prednisoloneBack to article page