Table 1 Gold Classification: Global Initiative for Obstructive Lung Disease
From: COPD exacerbations in general practice: variability in oral prednisolone courses
| Â | Severity | FEV1 |
|---|---|---|
Gold 1 | Mild | ≥ 80 predicted |
Gold 2 | Moderate | 50-80% predicted |
Gold 3 | Severe | 30-50% predicted |
Gold 4 | Very severe | ≥ 30%, or < 50% predicted and with respiratory failure |