Table 1.

Inclusion and exclusion criteria.

Inclusion criteria	Exclusion criteria
Diagnosis of IPF according to ATS/ERS/JRS/LAT guidelines	Lack of affiliation or medical data
Age between 18 and 90 years	Change of residence
Underwent regular medical assessments every 3–4 months	Absence from more than 2 clinical visits
Dyspnea levels, lung function tests, radiological images, other diagnoses, antifibrotic therapy