From: Chronic obstructive pulmonary disease and glucose metabolism: a bitter sweet symphony
Grade | Severity | Spirometry findings |
---|---|---|
GOLD 1 | Mild | FEV 1 /FVC<0.7 and FEV 1 ≥80% predicted |
GOLD 2 | Moderate | FEV 1 /FVC<0.7 and 50%≤FEV 1 ≥80% predicted |
GOLD 3 | Severe | FEV 1 /FVC<0.7 and 30%≤FEV 1 ≥50% predicted |
GOLD 4 | Very Severe | FEV 1 /FVC<0.7 and FEV 1 >30% predicted |