COPD 상태는 348명(44.4%)에서 개선되었고, 396명(50.5%)에서 유지되었으며, 기준치에 비해 악화되는 환자는 40명(5.1%)에 불과했다.
The COPD condition improved in 348 patients (44.4%), while the condition was maintained in 396 patients (50.5%), and only 40 patients (5.1%) exhibited worsening of ailment as compared with baseline.