Table 3.
Features of ambulatory esophageal motility during prolonged acid exposure in GERD‐CC and GERD groups
|
GERD‐CC group (n = 31) |
GERD group (n = 47) |
P value | |
|---|---|---|---|
| Primary peristalsis | 145 | 110 | |
| Ineffective peristalsis (%) | 104 (71.7%) | 68 (61.8%) | .095 |
| Distal low pressure (%) | 28 (26.9%) | 33 (48.5%) | .004 |
| Proximal low pressure (%) | 8 (7.7%) | 3 (4.4%) | .390 |
| Distal and proximal low pressure (%) | 40 (38.5%) | 8 (11.8%) | .000 |
| Synchronous contraction (%) | 28 (26.9%) | 24 (35.3%) | .243 |
| Secondary peristalsis | 67 | 44 | |
| Ineffective peristalsis (%) | 47 (70.1%) | 39 (88.6%) | .023 |
| Distal low pressure (%) | 17 (36.1%) | 35 (90.9%) | .000 |
| Proximal low pressure (%) | 0 | 0 | – |
| Synchronous contraction (%) | 30 (63.9%) | 4 (9.1%) | .000 |