Serum NT-proBNP hs-CRP and IL-6 concentrations were quantified by enzyme-linked immunosorbent assay (ELISA), while chest computed tomography(CT) manifestations were evaluated using the AcuteExacerbation of Idiopathic Pulmonary Fibrosis (AE-IPF)scoring system. Here, IL6 is linked to idiopathic pulmonary fibrosis.