Swallowing motility disorders before and after LSVT®; numbers refer to number of subjects who demonstrated the disorder on swallows of each bolus volume
| Bolus volume | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 ml | 3 ml | 5 ml | 10 ml | Cup drinking | Paste | Cookie | ||||||||
| Motility disorder | Pre Tx | Post Tx | Pre Tx | Post Tx | Pre Tx | Post Tx | Pre Tx | Post Tx | Pre Tx | Post Tx | Pre Tx | Post Tx | Pre Tx | Post Tx |
| Reduced tongue coordination | 4 | 0 | 4 | 1 | 1 | 0 | 1 | 2 | 2 | 1 | 5 | 2 | 5 | 4 |
| Reduced vertical tongue movement | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Reduced AP tongue movement | 5 | 2 | 5 | 1 | 3 | 2 | 3 | 2 | 5 | 0 | 6 | 6 | 8 | 8 |
| Reduced tongue stabilization | 1 | 0 | 1 | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| Reduced tongue lateralization | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 |
| Reduced tongue strength | 8 | 3 | 8 | 5 | 8 | 4 | 8 | 6 | 8 | 4 | 8 | 7 | 8 | 6 |
| Rocking-like movement | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 2 | 0 |
| Delayed pharyngeal swallow | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 6 | 4 |
| Reduced tongue base retraction | 6 | 3 | 7 | 3 | 6 | 4 | 8 | 4 | 8 | 4 | 8 | 4 | 7 | 6 |
| Slowed/delayed vestibule closure | 0 | 3 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Bilateral pharyngeal weakness | 0 | 0 | 1 | 0 | 2 | 0 | 4 | 2 | 3 | 2 | 3 | 2 | 3 | 2 |
| Dipper swallow | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 |
| Difficulty clearing pharyngeal residue | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 |
| Functional swallow | 4 | 7 | 4 | 7 | 6 | 5 | 5 | 7 | 5 | 6 | 2 | 8 | 1 | 2 |