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
SGRQ total score change	No	29	12 months	−15.2±20.4
CAT total score change	No	30	3 months	−8.8±7.6
CAT total score change	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
CAT change in question on phlegm	No	29	12 months	−1.7±1.5
CAT change in question on cough	No	30	3 months	−1.4±1.3
CAT change in question on cough	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.