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Change from baseline in patient-reported CAT and SGRQ total sores (A) for all 21 subjects through 12 months and (B) through 24 months for those 17 subjects that completed 2-year follow-up. Data are presented as mean change from baseline±95% CI. Visits are measured from the second treatment. *P value<0.001. **P value<0.01. ***P value<0.05. CAT, Chronic Obstructive Pulmonary Disease Assessment Test; SGRQ, St. George’s Respiratory Questionnaire.
