CRP and idiopathic pulmonary fibrosis: In the present study, among the several parameters included in the logistic regression analysis performed to identify the independent predictors of AA dilatation in IPF patients (age, male sex, BSA, hypertension, smoking, CRP, FVC, LVMi, CAC score, and corticosteroid treatment), only serum CRP levels and LVMi showed an incremental prognostic value over the other variables.