Table 2.
The Time Variables of High-resolution Manometry According to Bolus Volume
| Dry | 2 mL | 5 mL | 10 mL | Drinking | Correlation | |||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| r | P-value | |||||||
| Time intervals | VP onset – epiglottis (sec) | 0.41 ± 0.23 | 0.37 ± 0.19 | 0.36 ± 0.19 | 0.36 ± 0.17 | 0.38 ± 0.18 | −0.032 | 0.759 |
| VP onset – TB onset (sec) | 0.20 ± 0.14 | 0.17 ± 0.13 | 0.14 ± 0.07 | 0.19 ± 0.12 | 0.29 ± 0.19 | 0.176 | 0.079 | |
| VP peak – epiglottis (sec) | 0.24 ± 0.17 | 0.21 ± 0.16 | 0.21 ± 0.15 | 0.21 ± 0.13 | 0.17 ± 0.09 | −0.079 | 0.441 | |
| VP peak – TB peak (sec) | 0.31 ± 0.09 | 0.32 ± 0.11 | 0.31 ± 0.10 | 0.33 ± 0.07 | 0.26 ± 0.09 | −0.177 | 0.076 | |
| VP onset – pre-UES (sec) | 0.24 ± 0.14 | 0.20 ± 0.12 | 0.26 ± 0.27 | 0.17 ± 0.10 | 0.19 ± 0.17 | −0.188 | 0.059 | |
| VP onset – post-UES (Sec) | 0.97 ± 0.17 | 0.95 ± 0.18 | 0.92 ± 0.11 | 0.96 ± 0.11 | 0.97 ± 0.24 | 0.014 | 0.888 | |
| ROP | ROP, VP (mmHg/sec) | 1393.7 ± 831.2 | 1640.8 ± 1051.4 | 1810.9 ± 1173.1 | 1816.6 ± 1135.9 | 1355.0 ± 976.0 | −0.008 | 0.940 |
| ROP, TB (mmHg/sec) | 595.6 ± 262.9 | 597.2 ± 244.8 | 656.4 ± 328.2 | 534.4 ± 240.7 | 881.1 ± 582.4 | 0.064 | 0.524 | |
| ROP, VP onset – post-UES (cm/sec) | 7.12 ± 1.71 | 7.43 ± 1.28 | 7.68 ± 1.38 | 7.36 ± 1.08 | 7.07 ± 1.29 | −0.020 | 0.845 | |
VP, velopharynx; TB, tongue base; UES, upper esophageal sphincter; ROP, rate of pressure generation.