Table 4.
VFSS summary statistics.
| VFSS metrics | p-value | Mean (±SEM) | ||
|---|---|---|---|---|
| WT | LgDel | |||
| Drinking | Lick rate (#/s) | 0.035 | 8.71 (0.18) | 8.07 (0.22) |
| Inter-lick interval (ms) | 0.046 | 114.43 (2.30) | 121.91 (2.65) | |
| Swallow rate (#/s) | 0.508 | 1.68 (0.11) | 1.77 (0.08) | |
| Inter-swallow interval (ms) | 0.356 | 752.91 (56.22) | 690.18 (35.35) | |
| Lick-swallow ratio | 0.228 | 4.47 (0.36) | 3.85 (0.34) | |
| Pharyngeal transit time (ms) | 0.013 | 85.82 (1.91) | 94.36 (2.50) | |
| Jaw closing velocity (mm/s) | 0.255 | 14.39 (0.77) | 13.19 (0.67) | |
| Jaw opening velocity (mm/s) | 0.883 | 13.71 (0.71) | 13.55 (0.79) | |
| Eating | Mastication rate (#/s) | 0.852 | 8.26 (0.31) | 8.167 (0.42) |
| Swallow rate (#/s) | 0.228 | 0.31 (0.08) | 0.27 (0.02) | |
| Inter-swallow interval (s) | 0.840 | 4.01 (0.60) | 4.17 (0.43) | |
Bold p-values denote statistical significance (< 0.05); SEM, standard error of the mean; VFSS, videofluoroscopic swallow study; WT, wild-type.