Table 3.
Effects of PR on Ventilatory Parameters of Patients with a Normal and Poor WE
| All (N=45) | Gr 1 Normal WE (N=21) | Gr 2 Poor WE (N=24) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre-PR | Post-PR | P Pre vs Post |
Pre-PR | Post-PR | P Pre vs Post |
Pre-PR | Post-PR | P Pre vs Post |
P Pre-PR Gr 1 vs 2 |
P Post-PR Gr 1 vs 2 |
|
| FVC (L) | 2.42±0.73 | 2.40±0.68 | 0.603 | 2.68±0.71 | 2.66±0.63 | 0.760 | 2.20±0.69 | 2.17±0.66 | 0.667 | 0.025* | 0.016* |
| FVC (%) | 78.0±20.5 | 77.3±18.8 | 0.614 | 82.9±22.2 | 81.6±17.9 | 0.577 | 73.8±18.3 | 73.5±19.2 | 0.903 | 0.137 | 0.153 |
| FEV1 (L/min) | 1.54±0.55 | 1.59±0.57 | 0.075 | 1.78±0.52 | 1.84±0.49 | 0.199 | 1.32±0.49 | 1.36±0.54 | 0.232 | 0.004* | 0.003* |
| FEV1 (%) | 64.4±21.7 | 66.0±24.5 | 0.147 | 70.6±21.3 | 72.3±18.1 | 0.327 | 59.0±20.4 | 60.5±21.2 | 0.299 | 0.069 | 0.052 |
| FEV1/FVC (%) | 62.8±10.0 | 65.8±14.7 | 0.061 | 66.1±6.4 | 70.0±12.5 | 0.113 | 59.9±11.6 | 62.2±15.8 | 0.298 | 0.032* | 0.076 |
| MIP (cmH2O) | 70.1±27.5 | 77.3±27.0 | 0.060 | 88.6±19.7 | 88.9±26.0 | 0.229 | 56.6±26.4 | 67.1±24.0 | 0.130 | <0.001* | 0.006* |
| MIP (%) | 74.0±25.3 | 81.8±26.9 | 0.070 | 84.8±17.9 | 87.6±23.1 | 0.267 | 64.7±27.3 | 76.4±29.4 | 0.130 | 0.006* | 0.178 |
| MEP (cmH2O) | 114.9±34.1 | 120.1±27.7 | 0.127 | 133.8±28.6 | 136.8±29.4 | 0.557 | 98.4±30.0 | 105.5±15.5 | 0.128 | <0.001* | <0.001* |
| MEP (%) | 63.2±19.3 | 65.5±16.2 | 0.169 | 70.3±11.6 | 71.9±11.2 | 0.537 | 56.9±22.5 | 59.9±18.0 | 0.196 | 0.015* | 0.011* |
| Rf at rest (breaths/min) | 19.9±7.0 | 18.8±6.6 | 0.269 | 18.7±6.0 | 17.8±5.7 | 0.447 | 21.0±7.8 | 19.8±7.4 | 0.426 | 0.281 | 0.321 |
| Rf at exercise (breaths/min) | 33.0±7.6 | 34.1±7.7 | 0.144 | 34.1±7.1 | 34.1±6.1 | 0.971 | 34.1±8.9 | 31.9±8.1 | 0.017* | 0.996 | 0.331 |
| VT at rest (mL) | 618.1±183.4 | 658.5±217.5 | 0.168 | 671.6±217.5 | 698.3±223.0 | 0.580 | 571.3±135.2 | 623.7±210.9 | 0.151 | 0.077 | 0.256 |
| VT at exercise (mL) | 1217.4±382.5 | 1319.2±404.2 | 0.010* | 1454.1±344.1 | 1536.4±331.0 | 0.063 | 1010.4±284.8 | 1129.1±369.4 | 0.064 | <0.001* | <0.001* |
Notes: P pre vs post: P value of the comparison between pre-PR and post-PR; P pre-PR Gr 1 vs Gr 2: P value of the comparison of pre-PR parameters between Gr 1 and Gr 2; P post-PR Gr 1 vs Gr 2: P value of the comparison of post-PR parameters between Gr 1 and Gr 2; *P < 0.05.
Abbreviations: FVC, forced vital capacity; FEV1, forced expiratory volume in the first second; MIP, maximal inspiratory pressure; MEP, maximal expiratory pressure; Rf, respiratory frequency; VT, tidal volume; PR, pulmonary rehabilitation; WE, work efficiency; Gr 1, group 1; Gr 2, group 2.