Table 2.
Comparison of VDS variables among subgroups
| VDS variable | PD (n=10) | PS (n=20) | Independent ambulation (n=16) | Dependent ambulation (n=14) | Normal MPT (n=9) | Abnormal MPT (n=21) | Total (n=30) |
|---|---|---|---|---|---|---|---|
| Lip closure | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 |
| Bolus formation | 0.6±1.3 | 0.5±1.1 | 0.4±1.0 | 0.6±1.3 | 0.0±0.0 | 0.7±1.3* | 0.5±1.1 |
| Mastication | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 |
| Apraxia | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 |
| Tongue to palate contact | 0.5±1.6 | 0.0±0.0 | 0.0±0.0 | 0.4±1.3 | 0.0±0.0 | 0.2±1.1 | 0.2±0.9 |
| Premature bolus loss | 1.5±1.7 | 2.5±1.4 | 2.5±1.8 | 1.8±1.3 | 1.5±1.7 | 2.5±1.5 | 2.2±1.6 |
| Oral transit time | 2.4±1.3 | 2.1±1.4 | 2.3±1.3 | 2.1±1.4 | 1.7±1.6 | 2.4±1.2 | 2.2±1.3 |
| PST | 3.2±2.2 | 3.8±1.6 | 3.7±1.8 | 3.5±1.9 | 2.5±2.4 | 4.1±1.4 | 3.6±1.8 |
| Vallecular residue | 4.0±2.5 | 2.8±2.8 | 3.4±2.8 | 3.0±2.7 | 3.1±3.0 | 3.2±2.6 | 3.2±2.7 |
| Laryngeal elevation | 2.7±4.3 | 0.5±2.0 | 1.1±3.1 | 1.3±3.3 | 0.0±0.0 | 1.7±3.6* | 1.2±3.1 |
| Pyriform sinus residue | 5.9±4.3 | 3.2±4.2 | 4.2±4.5 | 3.9±4.3 | 3.0±4.5 | 4.5±4.3 | 4.1±4.3 |
| CPW | 7.2±3.8 | 5.4±4.5 | 6.2±4.3 | 5.8±4.5 | 5.0±4.7 | 6.4±4.2 | 6. 0±4.3 |
| Pharyngeal transit time | 1.2±2.5 | 0.3±1.3 | 0.8±2.0 | 0.4±1.6 | 0.0±0.0 | 0.9±2.2 | 0.6±1.8 |
| Aspiration | 5.4±6.0 | 7.5±4.7 | 7.5±5.1 | 6.0±5.3 | 5.3±4.7 | 7.4±5.3 | 6.8±5.2 |
| Total | 34.5±24.1 | 28.5±13.7 | 31.9±17.9 | 28.9±17.9 | 22.1±14.3 | 34.1±18.0 | 30.5±17.7 |
Values are presented as mean±standard deviation.
VDS, Videofluoroscopic Dysphagia Scale; PD, Parkinson’s disease; PS, Parkinsonian syndrome; MPT, maximal phonation time; PST, pharyngeal swallow triggering; CPW, coating of pharyngeal wall.
*
p<0.05.