Table 1 Stage of COPD and percentage predicted FEV1
From: Impact of clinical pathway on clinical outcomes in the management of COPD exacerbation
Stage of COPD | Percentage predicted FEV1 |
|---|---|
Stage 1 | > Or = 80% |
Stage 2 | 50–80% |
Stage 3 | 30–49 |
Stage 4 | <30% |
From: Impact of clinical pathway on clinical outcomes in the management of COPD exacerbation
Stage of COPD | Percentage predicted FEV1 |
|---|---|
Stage 1 | > Or = 80% |
Stage 2 | 50–80% |
Stage 3 | 30–49 |
Stage 4 | <30% |