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Comparison of swallowing during different postures
| Postures | Significance |
| Upright sitting vs head/neck flexion | *** |
| Upright sitting vs head/neck extension | *** |
| Upright sitting vs supine lying | *** |
| Head/neck flexion vs head/neck | *** |
| extension | |
| Head/neck flexion vs supine lying | *** |
| Head/neck extension vs supine lying | *** |
Extremely significant, p<0.001
