Ratio of normal, disturbed, and severely disturbed patients in swallowing function for each parameter on videofluoroscopic evaluation
| Parameter | Group | Normal (%) | Disturbed (%) | Severly disturbed (%) | Statistical analysis |
|---|---|---|---|---|---|
| PS, pyriform sinus; UOS, upper oesophageal sphincter. | |||||
| Constriction of the pharynx | VFMI− | 73.7 | 15.8 | 10.5 | |
| VFMI+ | 58.8 | 29.4 | 11.8 | p=0.402 | |
| Tongue base movement | VFMI− | 36.8 | 36.8 | 26.3 | |
| VFMI+ | 47.1 | 17.6 | 35.3 | p=0.919 | |
| Elevation of the pharynx | VFMI− | 63.2 | 21.1 | 15.8 | |
| VFMI+ | 52.9 | 29.4 | 17.6 | p=0.509 | |
| Bolus status at the PS | VFMI− | 84.2 | 5.3 | 10.5 | |
| VFMI+ | 58.8 | 29.4 | 11.8 | p=0.136 | |
| UOS opening | VFMI− | 94.7 | 0.0 | 5.3 | |
| VFMI+ | 76.5 | 11.8 | 11.8 | p=0.133 | |
| Aspiration | VFMI− | 78.9 | 15.8 | 5.3 | |
| VFMI+ | 70.6 | 23.5 | 5.9 | p=0.586 | |