COPD GOLD Guidelines
All – FEV1/FVC < 0.7Stage 1 Mild - FEV1 >=80% predictedStage 2 Moderate – FEV1 50-79% predictedStage 3 Severe – FEV1 30-49% predictedStage 4 Very severe – FEV1 <30% predicted
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COPD GOLD Guidelines
All – FEV1/FVC < 0.7Stage 1 Mild - FEV1 >=80% predictedStage 2 Moderate – FEV1 50-79% predictedStage 3 Severe – FEV1 30-49% predictedStage 4 Very severe – FEV1 <30% predicted