Table 2.
Pulmonary function test and respiratory muscle strength before and after training in the control and standard and prototype device groups
| Parameters | Control (n=10)
|
Standard RMT (n= 10)
|
Prototype RMT (n = 10)
|
|||
|---|---|---|---|---|---|---|
| Before | After | Before | After | Before | After | |
| Pulmonary function test | ||||||
| FVC (L) | 2.33±0.14 (1.93–3.13) |
2.41±0.13 (2.10–3.12) |
2.35±0.12 (1.60–2.70) |
2.67±0.09* (2.12–2.89) |
2.29±0.20 (1.26–3.12) |
2.63±0.18* (1.89–3.56) |
| FVC (%) | 65.61±1.68 (55.5–69.5) |
65.5±1.30 (57.1–68.6) |
62.50±1.75 (56.7–68.0) |
67.20±0.69 (64.5–69.5) |
63.61±1.39 (56.7–68.4) |
66.63±0.52 (64.5–68.3) |
| FEV1 (L) | 1.68±0.12 (1.12–2.15) |
1.64±0.13 (1.12–2.10) |
1.54±0.11 (1.11–1.98) |
1.85±0.07 (1.56–2.12) |
1.74±0.05 (1.46–1.99) |
1.88±0.08 (1.56–2.21) |
| FEV1 (%) | 61.04±2.19 (50.52–69.36) |
61.15±1.68 (52.92–68.72) |
59.38±1.47 (53.05–67.45) |
65.30±0.83 (62.58–69.66) |
62.88±1.86 (53.57–69.96) |
64.50±0.84 (60.07–68.19) |
| FEV1/FVC | 0.61±0.03 (0.46–0.69) |
0.63±0.02 (0.54–0.83) |
0.57±0.03 (0.43–0.66) |
0.62±0.03* (0.46–0.69) |
0.58±0.02 (0.43–0.63) |
0.68±0.04* (0.54–0.82) |
| Respiratory muscle strength | ||||||
| PImax (cmH2O) | 58.87±6.29 (39–76) |
60.87±4.39 (39–76) |
54.0±5.16 (35–84) |
84.0±7.07* (39–104) |
53.50±5.20 (38–76) |
83.6±4.40* (68–101) |
| PEmax (cmH2O) | 74.12±6.08 (53–99) |
76.1±6.08 (54–102) |
72.62±7.05 (45–112) |
97.5±8.31* (76–132) |
73.4±6.49 (45–110) |
93.5±7.32* (61–123) |
Notes: Data are expressed as mean ± standard error of mean (min-max).
*
P<0.05 compared to pre-training in each group.
Abbreviations: RMT, respiratory muscle training; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; PImax, maximal inspiratory pressure; PEmax, maximal expiratory pressure; min, minimum; max, maximum.