| β-coefficient* | R-value | P value |
---|---|---|---|
Age (year) | -0.014 ± 0.013 | 0.23 | 0.296 |
Male vs. female | 0.138 ± 0.284 | 0.11 | 0.633 |
Body mass index (kg/m2) | -0.005 ± 0.022 | 0.05 | 0.822 |
PaO2 (mmHg) | -0.007 ± 0.015 | 0.11 | 0.629 |
PaCO2 (mmHg) | 0.015 ± 0.0146 | 0.22 | 0.304 |
CRQ Score | -0.089 ± 0.136 | 0.14 | 0.519 |
   Dyspnea | -0.225 ± 0.142 | 0.33 | 0.128 |
   Fatigue | -0.022 ± 0.109 | 0.04 | 0.844 |
   Emotion | 0.007 ± 0.114 | 0.01 | 0.950 |
   Mastery | -0.110 ± 0.101 | 0.23 | 0.288 |
Six-minute walk test (m) | -0.001 ± 0.001 | 0.11 | 0.629 |