Thresholds for clinically important deterioration versus improvement in COPD health status: results from a randomised controlled trial in pulmonary rehabilitation and an observational study during routine clinical practice.
Harma Johanna AlmaCorina de JongDanijel JelusicMichael WittmannMichael SchulerRobbert SandermanKonrad SchultzJanwillem KocksThys van der MolenPublished in: BMJ open (2019)
Routine Inspiratory Muscle Training within COPD Rehabilitation trial: #DRKS00004609; MCID study: #UMCG201500447.