Table 6 Correlation between VQ11 and other variables of interest
Functional | Psychological | Social | Total | |
|---|---|---|---|---|
Age | 0.10 | -0.11 | -0.08 | -0.04 |
BMI | 0.13 | 0.05 | 0.05 | 0.08 |
Pack-years (smokers) | 0.01 | 0.10 | 0.06 | 0.06 |
Pack-years (ex-smokers) | 0.29 | 0.19 | 0.20 | 0.25 |
Pre-BD FEV1 | -0.28 | -0.14 | -0.16 | -0.21 |
FEV1 % pred | -0.26 | -0.14 | -0.13 | -0.19 |
FEV1/FVC | -0.26 | -0.17 | -0.16 | -0.22 |
MMRC Dyspnea Grade | 0.61 | 0.49 | 0.51 | 0.59 |
Dyspnea 6MWD start | 0.17 | 0.04 | 0.10 | 0.11 |
Dyspnea 6MWD end | 0.28 | 0.20 | 0.24 | 0.26 |
Dyspnea 6MWD difference | 0.17 | 0.19 | 0.16 | 0.19 |
6MWT distance (m) | -0.42 | -0.25 | -0.34 | -0.37 |
6MWT distance (% pred) | -0.41 | -0.26 | -0.35 | -0.38 |
BODE Index | 0.56 | 0.41 | 0.43 | 0.51 |