Data are presented as mean ± standard deviation or median (interquartile range) or number (percentage). AIP: acute interstitial pneumonia; ALB: albumin; BMI: body mass index; BWF: bronchial washing fluid; COPD: chronic obstructive pulmonary disease; CRP: C-reactive protein; CS: corticosteroid; DM: diabetes mellitus; ESR: erythrocyte sedimentation rate; GGO: ground glass opacity; IFN: interferon; IL: interleukin; ILD: interstitial lung disease; IS: immunosuppressive; NTM: nontuberculous mycobacterium; TB: tuberculosis; TNF: tumor necrosis factor; WBC: white blood cell.
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