Table 4.
High resolution antropyloroduodenal manometry results in patients and healthy controls (median [IQR])
| All Patients | Delayed Gastric Emptying Only | Healthy Controls | P* | P** | |
|---|---|---|---|---|---|
| Postprandial antral contraction, no./min | |||||
| First 30 min | 1.40 [1.06, 1.73] | 1.47 [1.16, 1.78] | 2.37 [1.89, 2.64] | 0.002 | 0.005 |
| Second 30 min | 1.34 [0.80, 1.74]^ | 1.47 [1.17, 1.73] | 1.92 [1.37, 2.83]^^ | 0.129 | 0.175 |
| Full hour | 1.52 [0.97, 1.67] | 1.53 [ 1.13, 1.65] | 2.04 [1.70, 2.67] | 0.005 | 0.006 |
| Amplitude, mmHg | |||||
| First 30 min | 46.3 [ 22.8, 83.5] | 61.3 [30.8, 94.6] | 67.0 [59.9, 83.0] | 0.357 | 0.704 |
| Second 30 min | 26.0 [18.5, 80.0] | 27.5 [20.3, 76.6] | 71.8 [56.6, 99.6] | 0.073 | 0.082 |
| Full hour | 51.9 [21.9, 74.9] | 55.5 [24.8, 79.4] | 73.0 [ 59.8, 82.7] | 0.140 | 0.175 |
| Motility index | |||||
| First 30 min | 9.67 [ 8.69, 10.63] | 9.98 [9.11, 10.75] | 11.38 [11.00, 11.51] | <0.001 | 0.003 |
| Second 30 min | 9.29 [8.73, 10.34] | 9.55 [ 8.97, 10.42] | 10.87 [10.18, 11.83] | 0.009 | 0.020 |
| Full hour | 9.65 [8.29, 10.31] | 9.74 [ 9.16, 10.45] | 11.04 [10.65, 11.63] | 0.002 | 0.006 |
IQR, interquartile range. *P value of all patients vs. healthy controls; **P value of only patients with delayed gastric emptying vs. healthy controls; ^P = 0.679 in comparison of first and second 30 minutes; ^^P = 0.313 in comparison of first and second 30 min.