
Associated Factors and Pulmonary Function Outcomes of Preserved Ratio Impaired Spirometry: A Scoping Review
Introduction Preserved ratio impaired spirometry (PRISm) is a lung abnormality characterized by a normal forced expiratory volume in 1 second (FEV1) to forced vital capacity (FVC) ratio, but with a decreased FEV1.1,2 PRISm is a common condition with a …