The 1-minute sit-to-stand test to evaluate fibrotic interstitial lung disease

Fibrotic interstitial lung diseases (ILD) are a heterogeneous group of conditions. Progression criteria include clinical, imaging, and/or lung functional decline. Currently, the 6-minute walk test (6MWT) is considered the gold standard for assessing exercise-induced desaturation. The 1-minute sit-to-stand test (1STST) has the advantage of being easy to perform, making it feasible for use during clinical consultations. The aim of this study was to compare the 1STST with the 6MWT in patients with fibrotic ILD to detect exercise-induced desaturation.