Low FVC/TLC in Preserved Ratio Impaired Spirometry (PRISm) is associated with features of and progression to obstructive lung disease.
Fortis S, Comellas A, Kim V, Casaburi R, Hokanson JE, Crapo JD, Silverman EK, Wan ES. Low FVC/TLC in Preserved Ratio Impaired Spirometry (PRISm) is associated with features of and progression to obstructive lung disease. Sci Rep. 2020 03 20; 10(1):5169.