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(b)
| Spatial-temporal parameters | Parkinson's disease | Healthy controls | Statistical analyses | ||
| Median | 25′, 75′ perc. | Median | 25′, 75′ perc. | P value | |
|
| |||||
| Maximum vertical hyoid motion (mm) | 13.68 | 9.26, 20.02 | 14.68 | 13.26, 19.50 | 0.35 |
| Duration between initiation of swallow and moment of maximum anterior/horizontal hyoid motion Δt (sec) | 1.64 | 1.01, 2.62 | 1.12 | 0.86, 2.16 | 0.29 |
| Duration between initiation of swallow and moment of maximum vertical hyoid motion Δt (sec) | 1.72 | 1.04, 2.09 | 1.28 | 0.88, 2.04 | 0.48 |
