Table 2.
Effect of training on quadriceps strength and mass
| % change (SD) | Mean absolute change (SD) | 95% CI | Effect size | p value | |
|---|---|---|---|---|---|
|
QMVC (Nm) |
|
|
|
|
|
| Healthy (n=19) |
11.3 (19.6) |
15.5 (27.5) |
2.3, 28.8 |
0.34 |
0.024 |
| COPD (n=45) |
20.0 (20.4) |
19.5 (20.6) |
13.3, 25.7 |
0.40 |
0.000 |
|
Tdexa(g) |
|
|
|
|
|
| Healthy (n=19) |
5.4 (4.2) |
224.7 (178.9) |
138.5, 311.0 |
0.26 |
0.000 |
| COPD (n=45) |
5.7 (7.6) |
213.6 (235.0) |
143.0, 284.2 |
0.19 |
0.000 |
|
RFcsa(mm2) |
|
|
|
|
|
| Healthy (n=19) |
19.5 (11.6) |
82.4 (44.3) |
61.1, 103.8 |
0.83 |
0.000 |
| COPD (n=45) |
21.8 (12.7) |
91.5 (50.3) |
76.3, 106.6 |
0.77 |
0.000 |
|
Qt(mm) |
|
|
|
|
|
| Healthy (n=19) |
10.9 (7.1) |
2.2 (1.5) |
1.5, 3.0 |
0.78 |
0.000 |
| COPD (n=45) | 12.1 (11.2) | 2.3 (2.2) | 1.6, 3.0 | 0.36 | 0.000 |
Percentage and Mean absolute (SD) changes in outcome measures for healthy controls and COPD patients after 8 weeks of resistance training. 95% confidence intervals for the differences are quoted. p values are calculated using paired student’s t-tests.