Table 3.
Endoscopy Findings and Multichannel Intraluminal Impedance-pH Monitoring Parameters of Ineffective Esophageal Motility and Normal Motility
| IEM | Normal | P-value | |
|---|---|---|---|
| Upper endoscopy finding (n [%]) | |||
| Erosive esophagitis | 8 (33.3) | 8 (33.3) | |
| LA-C | 2 (8.3) | 1 (4.2) | 0.551 |
| FH (n [%]) | 4 (16.7) | 4 (16.7) | |
| AET (mean ± SD, %) | 4.4 ± 3.3 | 4.2 ± 4.6 | 0.900 |
| Reflux episodes (mean ± SD, n) | |||
| Acid reflux | 64.5 ± 16.4 | 86.2 ± 28.6 | 0.517 |
| Weakly acid reflux | 31.6 ± 9.5 | 17.6 ± 5.7 | 0.220 |
| Alkaline reflux | 4.1 ± 1.8 | 3.3 ± 1.8 | 0.743 |
| Patients with abnormal reflux (n [%]) | |||
| Acid reflux | 12 (50.0) | 8 (33.3) | 0.242 |
| Weakly acid reflux | 10 (41.7) | 2 (8.33) | 0.008 |
| Alkaline reflux | 12 (50.0) | 16 (66.7) | 0.242 |
| Long term acid reflux | 18 (75.0) | 8 (33.3) | 0.004 |
IEM, ineffective esophageal motility; LA-C, Los Angeles classification grade C; FH, functional heartburn; AET, acid exposure time.