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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