Fig. 3
Forest plot of adjusted mean difference in SGRQ total score between tiotropium Respimat® or tiotropium HandiHaler® and placebo: results of a post-hoc pooled analysis [34]. CI, confidence interval; EXACTT, Exercise Endurance and COPD Treated With Tiotropium; MCID, minimal clinically important difference; SAFE, SPIRIVA® Assessment of FEV1; TIPHON, Tiotropium: Influence sur la Perception de l’amélioration des activités Habituelles Objectivée par une échelle Numérique; UPLIFT®, Understanding Potential Long-term Impacts on Function with Tiotropium