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Table 2 Comparison of the free fat mass index (FFMI) and 6MWT distance within-group (Paired sample t -Test, T0 vs T1) and between-groups (ANCOVA with baseline value as covariate, Group A vs Group B)

From: 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 failure

  FFMI (Kg/m2) 6MWT (mtr)
T0 T1 Within-group T0 T1 Within-group
Mean ± SD Mean ± SD p Mean ± SD Mean ± SD p
Group A 17.1 ± 6.5 20.8 ± 7.4 < 0.001 236.4 ± 91.4 303.7 ± 88.1 < 0.001
Group B 19.3 ± 5.5 18.7 ± 4.3 0.093 249.3 ± 74.2 203.9 ± 88.1 0.021
Between- groups ANCOVA p - < 0.001 - - < 0.001 -