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The objective of this study was to analyze mortality, possible predictors of long‐term survival, and health‐related quality of life of a large chronic hypersensitivity pneumonitis (CHP) patient sample.

Longitudinal study in patients diagnosed with CHP during 2004‐2013, followed for at least 1 year. Patients remaining alive and consenting to participate had a follow‐up visit during 2015, including a complete pulmonary function study and the EuroQol‐5D and Beck Depression and Anxiety Inventories.

Out of the 160 patients finally included, 87 remained alive. Seventy‐three had died or underwent lung transplantation at the time of the study with a median survival of 7.0 (4.4‐14.5) years. A Cox proportional risk model showed that factors associated with lower survival were as follows: increased age, a low percentage of lymphocytes in bronchoalveolar lavage (BAL), a decreased transfer …