Research Article
The Clinical COPD Questionnaire Correlated with BODE Index-A Cross-Sectional Study
Table 4
Spearman correlation between CCQ scores and the BODE index/GOLD classification in assessment of severity of COPD.
| | CCQ | BODE index | GOLD classification | | Correlation coefficient () | | Correlation coefficient () | |
| | CCQ symptom scores |
0.482
| <0.001 |
0.346
| 0.001 | | CCQ functional scores |
0.670
| <0.001 |
0.531
| <0.001 | | CCQ mental scores |
0.340
| 0.001 |
0.236
| 0.026 | | CCQ total scores |
0.610
| <0.001 |
0.462
| <0.001 |
|
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