Table 4.
Mean Distal Contractile Integral and Percentage Change of Mean Compared to the First Swallow in Subjects With Normal High-resolution Esophageal Manometry and Those With Esophagogastric Junction Outflow Obstruction
| Swallow | Normal manometry | EGJOO | |||||
|---|---|---|---|---|---|---|---|
| Mean (mmHg) | SEM | Percentage change of mean compared to the first swallow | Mean (mmHg) | SEM | Percentage change of mean compared to the first swallow | ||
| Swallow 1 | 1734.87 | 145.50 | 1335.42 | 266.58 | |||
| Swallow 2 | 1353.54 | 112.59 | –21.98% | 1875.10 | 776.66 | 40.41% | |
| Swallow 3 | 1355.63 | 112.89 | –21.86% | 1826.00 | 515.97 | 36.74% | |
| Swallow 4 | 1345.91 | 131.92 | –22.42% | 1566.06 | 667.41 | 17.27% | |
| Swallow 5 | 1507.57 | 155.97 | –13.10% | 1413.07 | 359.19 | 5.81% | |
| Swallow 6 | 1390.66 | 133.11 | –19.84% | 1913.20 | 565.62 | 43.27% | |
| Swallow 7 | 1446.44 | 122.69 | –16.63% | 1432.23 | 449.46 | 7.25% | |
| Swallow 8 | 1458.60 | 141.73 | –15.92% | 1686.42 | 451.63 | 26.28% | |
| Swallow 9 | 1325.40 | 104.12 | –23.60% | 2264.87 | 679.66 | 69.60% | |
| Swallow 10 | 1535.11 | 153.70 | –11.51% | 1960.03 | 672.64 | 46.77% | |
| Mean change | –18.54% | 32.60% | |||||
EGJOO, esophagogastric junction outflow obstruction; SEM, standard error of mean.