| EQ-5D utility* Mean score (SD) | EQ-VAS* Mean score (SD) | CAT* Mean score (SD) |
---|---|---|---|
GOLD classification of lung function and HRQoL | |||
 GOLD-1, FEV1 ≥ 80% predicted | 0.911a (0.111) | 72.97a (11.49) | 12.28a (7.42) |
 GOLD-2, 50% ≤ FEV1 < 80% predicted | 0.860a (0.117) | 68.84ab (17.18) | 14.14a (8.26) |
 GOLD-3, 30% ≤ FEV1 < 50% predicted | 0.792b (0.156) | 63.44b (19.2) | 19.76b (8.62) |
 GOLD-4, FEV1 < 30% predicted | 0.664c (0.169) | 52.50c (16.5) | 24.85c (7.78) |
 Total | 0.831 (0.146) | 66.52 (17.85) | 16.39 (8.96) |
Effect size d | |||
 Between GOLD-1 and GOLD-2 | 0.445 | 0.252 | −0.228 |
 Between GOLD-2 and GOLD-3 | 0.510 | 0.301 | −0.670 |
 Between GOLD-3 and GOLD-4 | 0.803 | 0.584 | −0.601 |
Correlations for each HRQoL scores e | |||
 Between FEV1% predicted | 0.422 | 0.284 | −0.371 |
 Between GOLD grade | −0.380 | −0.258 | 0.375 |