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Correlation between peak cough flow (PCF) and tracheobronchial clearance efficacy; according to Bach et al. [16]
| ND group | Control group | ||||
|---|---|---|---|---|---|
| PCF (L/s) | Voluntary cough; n (%) | Reflexive cough; n (%) | Voluntary cough; n (%) | Reflexive cough; n (%) | |
| > 4.5 | Effective clearance | 8 (28.6%) | 19 (67.9%) | 29 (96.7%) | 26 (86.7%) |
| 2.7–4.5 | Partly effective clearance | 7 (25%) | 5 (17.9%) | 1 (3.3%) | 3 (10%) |
| < 2.7 | Ineffective clearance | 13 (46.4%) | 4 (14.3%) | 0 (0%) | 1 (3.3%) |
PCF peak cough flow, ND neurogenic dysphagia
