Comparisons of baseline St. George's Respiratory Questionnaire (SGRQ) between SGRQ-improved and non-improved participants
| Variables | Improved n=125 | Non-improved n=152 | p Value |
|---|---|---|---|
| Symptoms | 48.4±24.2 | 36.3±22.7 | <0.001 |
| Activity | 45.4±25.0 | 27.6±24.6 | <0.001 |
| Impact | 27.9±19.4 | 14.1±14.6 | <0.001 |
| Total | 36.6±18.9 | 21.9±16.9 | <0.001 |
Data are presented as mean±SD.