Table 4.
Comparison of Variables Between the “Without Presence of Contractility” and “With Presence of Contractility” Groups
| Variables | Without POC group (n = 12) | With POC group(n = 24) | P-value |
|---|---|---|---|
| LES pressure (mmHg) | 38.2 ± 16.6 | 40.7 ± 14.0 | 0.638 |
| IRP pressure (mmHg) | 29.1 ± 14.0 | 32.3 ± 10.5 | 0.446 |
| Myotomy length (cm) | 10.7 ± 4.5 | 15.8 ± 9.0 | 0.281 |
| Procedure time (min) | 84.7 ±32.4 | 71.8 ± 21.5 | 0.165 |
| Achalasia type | 0.007 | ||
| Type I achalasia | 6 | 2 | |
| Type II achalasia | 6 | 16 | |
| Type III achalasia | 0 | 6 | |
| RAC | 0.008 | ||
| RAC (–) | 4 | 0 | |
| RAC (+) | 8 | 24 | |
| RRC | 0.384 | ||
| RRC (–) | 1 | 6 | |
| RRC (+) | 11 | 18 | |
| FLIP topography classification | 0.128 | ||
| REO with retrograde contractile response | 7 | 17 | |
| REO with absent contractile response | 0 | 2 | |
| REO with normal contractile response | 1 | 4 | |
| Retrograde contractile response | 4 | 1 | |
| Pre-POEM Eckardt score | 6.00 ± 2.30 | 6.88 ± 2.58 | 0.327 |
| Post-POEM Eckardt score | 1.08 ± 0.10 | 1.29 ± 1.43 | 0.654 |
POC, presence of contractility; LES, lower esophageal sphincter; IRP, integrated relaxation pressure; RAC, repetitive antegrade contraction; RRC, repetitive retrograde contraction; FLIP, functional luminal imaging probe; EGJ-DI, esophagogastric junction–distensibility index; POEM, peroral endoscopic myotomy.
Data are presented as mean ± SD or n.