Table 5 Pearsonās correlation between CCQ, EQ-5D, and FEV 1 % predicted
From: Health-related quality of life in chronic obstructive pulmonary disease patients in Korea
| Ā | EQ-5D index | EQ-VAS | CCQ symptom | CCQ functional state | CCQ mental state | CCQ total | FEV1% predicted |
|---|---|---|---|---|---|---|---|
EQ-5D index | 1.00 | -- | -- | -- | -- | -- | -- |
EQ-VAS | 0.41 | 1.00 | -- | -- | -- | -- | -- |
CCQ symptom | ā0.55 | ā0.43 | 1.00 | -- | -- | -- | -- |
CCQ functional state | ā0.64 | ā0.50 | 0.64 | 1.00 | -- | -- | -- |
CCQ mental state | ā0.59 | ā0.42 | 0.62 | 0.64 | 1.00 | -- | -- |
CCQ total | ā0.69 | ā0.53 | 0.87 | 0.90 | 0.82 | 1.00 | -- |
FEV1% predicted | 0.30 | 0.18 | ā0.22 | ā0.36 | ā0.31 | ā0.35 | 1.00 |