Abstract: Preserved ratio impaired spirometry (PRISm) is a pulmonary function pattern characterized by a forced expiratory volume in one second (FEV1) to forced vital capacity ratio greater than 0.70, ...

Spirometry test There is significant disparity in the ratios for postbronchodilator FEV1/FEV6 and FEV1/FVC %, and this disparity is very pronounced in women. Disclosure: One study author declared ...

Please provide your email address to receive an email when new articles are posted on . Preserved ratio impaired spirometry is a common lung function trait associated with breathlessness, ...

Preserved ratio impaired spirometry (PRISm) was associated with increased odds of interstitial lung abnormalities (ILAs), and having both PRISm and ILAs was linked to a higher risk for mortality than ...