The minimal important difference for the St George's Respiratory Questionnaire in patients with severe COPD

Post date: Dec 13, 2015 8:28:07 AM

This study proposes an alternative SGRQ MID for patients with severe COPD of −8.3 units at 1 month and −7.1 units at 6 months follow-up after intervention. Our new MID estimates could be applied for both interpreting SGRQ outcomes as well as sample size determination in future clinical trials investigating interventions in severe COPD patients.

Ler artigo >>