Table 4.
Correlation coefficients (r) between changes in COPD-related anxiety and changes in other outcomes from before to after PR.
| ΔCAF-R | ΔCAT | ΔSF-12 PCS | ΔSF-12 MCS | Δ6MWT | |
|---|---|---|---|---|---|
| ΔCAF-R | 1 | −0.13 (−0.43−0.21) | −0.11 (−0.42–0.22) | −0.15 (−0.45–0.18) | −0.17 (−0.44–0.13) |
| ΔCAT | 1 | −0.41 (−0.65–−0.10) | −0.33 (−0.59–−0.003) | −0.07 (−0.38–0.25) | |
| ΔSF-12 PCS | 1 | 0.79 (0.63–0.88) | 0.25 (−0.07–0.53) | ||
| ΔSF-12 MCS | 1 | 0.32 (−0.00–0.57 | |||
| Δ6MWD | 1 |
6MWD, (6-minute walk distance); CAF-R, (COPD Angstfragebog revised, German for COPD Anxiety Questionnaire 20-item version); CAT, (COPD Assessment Test); MCS, (Mental component score); PCS, (Physical component score); PR, (pulmonary rehabilitation); SF-12, (12-Item Short-Form Health Survey). Confidence intervals (r) in parantheses.