TABLE 3.
Results of multicentre RheOx bronchial rheoplasty study [30]
| RCT | Subjects | Time point | Result | |
| Quality of life | ||||
| SGRQ total score change | No | 30 | 3 months | −16.9±20.0 |
| No | 29 | 12 months | −15.2±20.4 | |
| CAT total score change | No | 30 | 3 months | −8.8±7.6 |
| No | 29 | 12 months | −7.0±8.9 | |
| Chronic bronchitis symptoms# | ||||
| CAT change in question on phlegm | No | 30 | 3 months | −1.8±1.1 |
| No | 29 | 12 months | −1.7±1.5 | |
| CAT change in question on cough | No | 30 | 3 months | −1.4±1.3 |
| No | 29 | 12 months | −1.1±1.6 | |
| Lung function | No | 29/30 | 3 and 12 months | No sign changes |
| Exercise capacity | Not reported | |||
| Other | ||||
| Goblet cell hyperplasia scoring | No | 54 lungs | 90–120 days | Relative reduction of 39% |
Data are presented as n or mean±sd. Statistically significant values (p<0.05) are presented in bold. RCT: randomised controlled trial; SGRQ: St George's Respiratory Questionnaire; CAT: COPD Assessment Test. #: based on a single question; it was not clear whether these changes were statistically significant.