Total Asthma Quality of Life Questionnaire (AQLQ) score over 12 months after treatment with bronchial thermoplasty (BT) (diamonds) or sham control (squares) in the per protocol population. *Posterior probability of superiority = 97.9%. Reprinted with permission of the American Thoracic Society. Copyright © American Thoracic Society  Official Journal of the American Thoracic Society.
Thomson et al. BMC Medicine 2011 9:102 doi:10.1186/1741-7015-9-102