Figure 5From: Effects of nutraceutical diet integration, with coenzyme Q10 (Q-Ter multicomposite) and creatine, on dyspnea, exercise tolerance, and quality of life in COPD patients with chronic respiratory failureComparison between exacerbations rate before (1 year before treatment) and during the study (1 year following the start of treatment) in the two groups. Significant reduction of exacerbations in group A.Back to article page