Forced Vital Capacity in Patients with Idiopathic Pulmonary Fibrosis
作者： Roland M. du Bois , Derek Weycker , Carlo Albera , Williamson Z. Bradford , Ulrich Costabel
DOI: 10.1164/RCCM.201105-0840OC
关键词:
摘要: Rationale: Forced vital capacity (FVC) is an established measure of pulmonary function in idiopathic fibrosis (IPF). Evidence regarding its measurement properties and minimal clinically important difference (MCID) this population limited.Objectives: To assess the reliability, validity, responsiveness FVC estimate MCID patients with IPF.Methods: The study included all 1,156 randomized two clinical trials IFN-γ1b. other measures functional status were measured at screening or baseline 24-week intervals thereafter. Reliability was assessed based on proximal FVC, validity correlations between status, relationship changes status. Distribution-based anchor-based methods used to MCID.Measurements Main Results: Correlation percent-predict...
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