Table 2.
The differences of esophageal motility measurements between the 22-channel WPM and 36-sensor SSM during jelly pocket swallows (n = 12)
| 22-channel WPM | 36-sensor SSM | Z | P | |
|---|---|---|---|---|
| LES relax ratio (%) |
94.5(89-95.75) |
83(77-88) |
-2.805 |
0.005 |
| Distal esophageal body contraction intensity (mmHg) |
72(46-103.5) |
100(70-144.25) |
-1.883 |
0.060 |
| Distal esophageal body contraction duration (s) |
3.2(3-4.15) |
3.9(3.3-5.4) |
-1.785 |
0.074 |
| Proximal esophageal body contraction intensity (mmHg) |
51.5(38-57.75) |
69.5(42-78) |
-1.611 |
0.107 |
| Proximal esophageal body contraction duration (s) | 3.05(2.6-3.275) | 3.2(2.5-3.325) | -0.432 | 0.665 |