Fig. 2From: Risk assessment in interstitial lung disease: the incremental prognostic value of cardiopulmonary ultrasoundKaplan–Meier analysis of event-free survival. Patients were stratified according to the cutoff value of the RVD, RVGLS, and LUS score. a RVD > 32 mm and RVD ≤ 32 mm for patients with ILD. b RVGLS > − 21.6% and RVGLS ≤ − 21.6% for patients with ILD. c LUS score > 14 points and LUS score ≤ 14 points for patients with ILDBack to article page