Table 2.
Comparison of body composition and diaphragm excursion between groups A and B.
| Variable | Group A | Group B | P value |
|---|---|---|---|
| Dq (cm) | 2.01 (1.71–2.29) | 1.51 (0.92–2.10) | 0.166 |
| Df (cm) | 6.18 (5.57–6.79) | 4.36 (3.49–5.22) | 0.008 |
| FVC | 2.83 (2.63–3.03) | 2.31 (1.94–2.69) | 0.011 |
| FEV1.0 | 2.04 (1.87–2.21) | 1.60 (1.32–1.86) | 0.018 |
| PEF | 5.40 (4.81–5.99) | 3.78 (3.03–4.54) | 0.019 |
| Pimax | 64.20 (57.23–71.16) | 45.45 (36.56–54.35) | 0.017 |
| WRmax | 104.26 (97.08–111.44) | 70.73 (61.71–79.75) | 0.000 |
| VO2max | 1.30 (1.21–1.39) | 0.88 (0.79–0.97) | 0.000 |
| VEmax | 53.12 (49.01–57.24) | 41.05 (36.01–46.08) | 0.000 |
| VTmax | 2.61 (2.36–2.86) | 2.03 (1.69–2.36) | 0.001 |
Dq, ultrasonic diaphragm excursion during quiet breathing; Df, ultrasonic diaphragm excursion during forced deep breathing; FVC, forced vital capacity; FEV1.0, forced expiratory volume in one second; PEF, peak expiratory flow; Pimax, maximal inspiratory pressure; WRmax, maximal work rate; VO2max, maximal oxygen consumption; VEmax, peak minute ventilation during exercise; VTmax, peak tidal volume during exercise.