Spirometry is a standard test doctors use to ... Other factors also influence your FEV1, including your: age sex height weight The FEV1 is calculated as a percentage of the FVC (FEV1/FVC).

Spirometry is the only recognized method of definitively diagnosing chronic obstructive pulmonary disease (COPD). 1 It also gives patients and physicians a reliable way of tracking the progression ...

Preserved ratio impaired spirometry (PRISm) is associated with an increased risk of all-cause, cardiovascular, and respiratory mortality.

To diagnose chronic obstructive pulmonary disease (COPD), doctors typically use spirometry to measure your lung function. They usually also perform other tests to monitor the damage to your lungs.