Table 4.
Between-group differences in pulmonary function at baseline and post-program
| Intervention group | Comparison group | |||||||
|---|---|---|---|---|---|---|---|---|
| N | Mean (SD) | N | Mean (SD) | Mean diff | 95% CI | P | ||
| FVC (L) | Baseline | 43 | 4.4 (1.3) | 39 | 4.2 (1.1) | 0.2 | −0.3, 0.7 | 0.4 |
| Post-program | 32 | 4.3 (1.3) | 37 | 4.2 (1.1) | 0.0 | −0.5, 0.6 | 0.7 | |
| FVC % pred (%) | Baseline | 100 (20) | 96 (15) | 3.3 | −4.9, 11.6 | 0.4 | ||
| Post-program | 99 (17) | 98 (14) | −1.3 | −8.5, 5.9 | 0.7 | |||
| FEV1 (L) | Baseline | 43 | 3.4 (1.0) | 39 | 3.3 (1.0) | 0.1 | −0.3, 0.6 | 0.5 |
| Post-program | 32 | 3.3 (1.0) | 37 | 3.1 (0.9) | 0.1 | −0.3, 0.6 | 0.4 | |
| FEV1 pred (%) | Baseline | 93 (16) | 90 (19) | 2.7 | −56, 11.1 | 0.5 | ||
| Post-program | 93 (18) | 89 (17) | 1.8 | −5.8, 9.6 | 0.6 | |||
| FEV1/FVC (%) | Baseline | 42 | 77 (11) | 37 | 77 (10) | −0.1 | −4.9, 4.6 | 0.9 |
| Post-program | 32 | 78 (8) | 37 | 75 (11) | 2.5 | −2.2, 7.3 | 0.2 | |
| FEV1/FVC pred (%) | Baseline | 95 (13) | 95 (12) | −0.3 | −6.2, 5.6 | 0.9 | ||
| Post-program | 96 (9) | 93 (14) | 3.7 | − 2.2, 9.7 | 0.2 | |||
| MEF50 (L· s−1) | Baseline | 42 | 3.9 (1.5) | 37 | 3.9 (1.4) | 0.0 | −0.5, 0.7 | 0.8 |
| Post-program | 32 | 3.8 (1.6) | 37 | 3.4 (1.3) | 0.4 | −0.3, 1.1 | 0.2 | |
| MEF50 pred (%) | Baseline | 78 (25) | 78 (25) | 0.2 | −11.6, 12.1 | 0.9 | ||
| Post-program | 78 (27) | 70 (25) | 8.0 | −5.0, 21 | 0.2 | |||
| MVV (L) | Baseline | 40 | 120 (37) | 37 | 114 (36) | 5.7 | −11, 22 | 0.5 |
| Post-program | 32 | 118 (37) | 35 | 110 (31) | 7.8 | −9, 24 | 0.3 | |
| BR (%) | Baseline | 37 | 26 (18) | 32 | 22 (26) | 4.2 | −7, 15 | 0.4 |
| Post-program | 25 | 21 (20) | 27 | 20 (23) | 0.8 | −11, 13 | 0.8 | |
Presented values are the mean ± SD. SD, standard deviation. CI, confidence interval. Pred, predicted. FVC, forced vital capacity. FEV1, forced expiratory volume in 1 s. MEF 50%, maximal expiratory flow 50%. MVV, maximal voluntary ventilation. BR, breathing reserve