Table 5

 Summary of outcomes for the treatment and placebo groups

ScoreTreatmentPlaceboTreatment versus placebo
√, significant improvement from pre- to post-intervention; ×, no significant improvement from pre- to post-intervention;√√, improvement significantly greater in treatment group than in placebo group.
Total×√√
Breathing√√
Cough√√
Voice×√√
Upper airway×√√
Limitation√√