Table 1.

Summary Data for Secondary Outcome Measures of 12-Month Change in Peak Expiratory Flow and Clinical COPD Questionnaire for Patients Undergoing Endoscopic Dilation.

Medication	Endoscopic Dilation				Results
	Yes		No
	N	Median (IQR)	N	Median (IQR)
12-mo change in peak expiratory flow (L/min)
Proton pump inhibitor	61	8.7 (−5.1, 24.9)	68	12.0 (10.7, 12.2)	P = .59
Inhaled corticosteroid	10	28.3 (25.7, 31.0)	133	11.4 (3.9, 21.2)	P = .21
12-mo change in clinical COPD questionnaire
Proton pump inhibitor	61	−0.50 (−1.60, 0.20)	68	−0.05 (−0.97, 0.75)	P = .044
Inhaled corticosteroid	10	−2.05 (−2.43, 0.48)	133	−0.30 (−1.40, 0.50)	P = .28

IQR = interquartile range.