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| Wmax % predicteda | CCPT mean (SD) | FET mean (SD) |
| Baseline | 98 (30) % predicted | 109 (24) % predicted |
| Follow‐up | 99 (23) % predicted | 94 (19) % predicted |
CCPT: conventional chest physiotherapy; FET: forced expiration technique; SD: standard deviation; Wmax: maximal work capacity. anormal values reported by Godfrey 1971 were used for the calculations.
