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St. George’s Respiratory Questionnaire (SGRQ) scores based on COPD exacerbation status
| COPD exacerbation status | ||
|---|---|---|
| SGRQ | Exacerbator (n=70), mean (SD) | Non-exacerbator (n=66), mean (SD) |
| Symptom | 56 (23) | 49 (22) |
| Activity | 70 (22) | 65 (22) |
| Impact | 40 (20) | 30 (19) |
| Total | 52 (18) | 44 (18) |
