Figure 2From: Two-year home-based nocturnal noninvasive ventilation added to rehabilitation in chronic obstructive pulmonary disease patients: A randomized controlled trialMaugeri Respiratory Failure scores. MRF scores at the different measurement points in the NIPPV + rehabilitation group (black triangles) and the rehabilitation group (grey blocks). Lower scores signify better quality of life. The change was significantly better in the NIPPV + rehabilitation group (p < 0.02).Back to article page