Study design, setting, and patients
This is a prospective cohort study of patients with ILD attending the ILD center at Beijing Chao-Yang Hospital, China, a tertiary referral center specializing in ILDs, from December 7, 2022 to March 31, 2023….

This is a prospective cohort study of patients with ILD attending the ILD center at Beijing Chao-Yang Hospital, China, a tertiary referral center specializing in ILDs, from December 7, 2022 to March 31, 2023….