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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.

From: BODE index versus GOLD classification for explaining anxious and depressive symptoms in patients with COPD – a cross-sectional study

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)