Table 3.
Correlations between PAS scores and NRRS and the other variables
| Baseline | Anterior hyoid | Superior hyoid | TP | ODKR/ta/ | ODKR/ka/ | PTT | UES |
|---|---|---|---|---|---|---|---|
|
| |||||||
| PAS | 0.045 | −0.411 | −0.475* | −0.249 | −0.455 | −0.097 | 0.675* |
| NRRSv | 0.188 | −0.158 | −0.063 | −0.516* | −0.449* | 0.044 | 0.043 |
| NRRSp | −0.249 | 0.440 | 0.280 | −0.200 | −0.094 | 0.221 | −0.183 |
| Follow-up | Anterior hyoid | Superior hyoid | TP | ODKR/ta/ | ODKR/ka/ | PTT | UES |
| PAS | 0.216 | −0.324 | −0.084 | −0.365 | −0.342 | 0.425 | −0.216 |
| NRRSv | 0.126 | 0.053 | −0.251 | −0.448 | −0.530* | 0.060 | 0.045 |
| NRRSp | 0.449 | −0.113 | 0.327 | −0.144 | −0.194 | −0.229 | −0.497* |
Note:
*
P<0.05.
Abbreviations: anterior hyoid, anterior movement of the hyoid bone; NRRS, normalized residue ratio scale; NRRSv, NRRS in valleculae; NRRSp, NRRS in the piriform sinus; ODKR, oral diadochokinetic rate; PAS, penetration aspiration scale; PTT, pharyngeal transit time; superior hyoid, superior movement of the hyoid bone; TP, tongue pressure; UES, upper esophageal sphincter opening width.