Figure 3From: A randomized clinical trial to assess the influence of a three months training program (Gym-based individualized vs. Calisthenics-based non-invidualized) in COPD-patientsQuality of life. Wilcoxon rank-sum test for paired samples was used to test for significant differences between measurement 1 (M1: before the program) and measurement 2 (M2: after the program).Back to article page