From: Chronic hypersensitivity pneumonitis in the southeastern United States: an assessment of how clinicians reached the diagnosis
Diagnosis
Number of patients = 200 (%)
COPD
25 (12.5)
Asthma
37 (18.5)
ILD
33 (16.5)
Connective tissue disease
5 (2.5)
Pneumonia
15 (7.5)
Cancer
7 (3.5)
Sarcoid
No lung diagnosis
58 (29)