TABLE 3

Five-year all-cause mortality (%) among spirometry strata within Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2019 ABCD classification

GOLD 2019ABCD
Spirometry I3.49.816.25.5
Spirometry II714.98.322.1
Spirometry III1323.717.732.6
Spirometry IV16.739.129.546