Table 5.
Pearson’s correlation between CCQ, EQ-5D, and FEV 1 % predicted
| EQ-5D index | EQ-VAS | CCQ symptom | CCQ functional state | CCQ mental state | CCQ total | FEV 1 % predicted | |
|---|---|---|---|---|---|---|---|
| EQ-5D index |
1.00 |
-- |
-- |
-- |
-- |
-- |
-- |
| EQ-VAS |
0.41 |
1.00 |
-- |
-- |
-- |
-- |
-- |
| CCQ symptom |
−0.55 |
−0.43 |
1.00 |
-- |
-- |
-- |
-- |
| CCQ functional state |
−0.64 |
−0.50 |
0.64 |
1.00 |
-- |
-- |
-- |
| CCQ mental state |
−0.59 |
−0.42 |
0.62 |
0.64 |
1.00 |
-- |
-- |
| CCQ total |
−0.69 |
−0.53 |
0.87 |
0.90 |
0.82 |
1.00 |
-- |
| FEV1% predicted | 0.30 | 0.18 | −0.22 | −0.36 | −0.31 | −0.35 | 1.00 |
All correlations are statistically significant.