Table 3 Classification of patients according to GOLD with the BODE index in each stage (n = 122); the BODE index is given as median and 1st to 3rd quartiles.
Severity of COPD according to GOLD | Patients, N (%) | BODE index |
|---|---|---|
Stage I (FEV1 ≥ 80% predicted) | 6 (5) | 0 (0 to 0) |
Stage II (50% ≤ FEV1 < 80% predicted) | 39 (32) | 1 (1 to 4) |
Stage III (30% ≤ FEV1 < 50% predicted) | 31 (25) | 4 (3 to 6) |
Stage IV (FEV1 ≤ 30% predicted) | 46 (38) | 7 (5 to 8) |