Table 7.
Correlation of IL-6 levels with the independent variables.
| Variable dependent | Variables | Correlation | p value |
|---|---|---|---|
| BDI | 0.50 | 0.07 | |
| 6MWD | −0.66 | 0.01 | |
| ΔIL-6 (%) | Symptom | −0.10 | 0.73 |
| Activity | −0.41 | 0.16 | |
| Impact | −0.02 | 0.94 | |
| Total | −0.15 | 0.60 |
IL-6, interleukin-6; 6MWD, six-minute walk test; BDI, basal dyspnea index. p < 0.05, comparison evaluated by the Pearson correlation test.