Instrument | SGRQ Total | Symptoms | Impacts | Activity |
---|
CCQ
| | | | |
Total | 0.52 | 0.40 | 0.38 | 0.31 |
Symptoms | 0.46 | 0.36 | 0.36 | 0.26 |
Functional | | | | |
State | 0.44 | 0.27 | 0.31 | 0.33 |
Mental State | 0.30 | 0.17 n.s | 0.18 n.s | 0.22 |
- All correlations are significant at the 0.05 level (2-tailed) if not otherwise stated. Summary of change score correlation coefficients calculated between all domains in both instruments. Calculations based on data from both visits from the entire study sample with clinical COPD. SGRQ = St Georges Respiratory Questionnaire, CCQ = Clinical COPD Questionnaire.