Analysis of ILD-RADS reproducibility and validity: Can different degrees of experience affect the interpretation?

Purpose: To evaluate the reliability, validity and applicability of ILD-RADS among readers with different levels of experience.

Methods: This prospective tri-center study included 159 patients with clinically diagnosed ILD who underwent high-resolution CT (HRCT). Two experienced thoracic radiologists, two general radiologists, and one pulmonologist independently evaluated the HRCT images blinded to the patient's clinical data and assigned ILD-RADS category for each patient.