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Table 6 Effects of the training intervention on lung function in COPD (n = 20) and Healthy (n = 58), assessed as changes from baseline to after completion of the study (per study cluster) and as differential changes between study clusters

From: Chronic obstructive pulmonary disease does not impair responses to resistance training

  COPD Healthy
Baseline Post RT Time effect p < 0.05) Baseline Post RT Time effect (p < 0.05) ∆ COPD vs ∆ healthy (p-value)
FVC (L) 3.3 ± 0.9 3.2 ± 0.9 No 3.6 ± 0.9 3.5 ± 0.8 Yes↓ 0.189
FEV1 (L . sec−1) 1.5 ± 0.4 1.5 ± 0.4 No 2.7 ± 0.7 2.7 ± 0.6 Yes↓ 0.243
FEV1 (% predicted) 56 ± 11 58 ± 13 No 103 ± 16 103 ± 16 No 0.138
FEV1/FVC (%) 47 ± 8 48 ± 10 No 75 ± 6 76 ± 6 No 0.714
PEF (L . sec−1) 5.0 ± 1.6 5.1 ± 1.6 No 7.8 ± 2.1 7.6 ± 2.2 No 0.238
  1. FVC forced vital capacity, FEV1 forced expiratory volume in one second, PEF peak expiratory flow, change score, ↓significant decrease from baseline to post RT (after 13 weeks of resistance training). Alpha level at p < 0.05. Values are means with standard deviation