Table 2.
Comparison of the results of endoscopic ultrasonography (EUS) observation between the jelly-filling method and the water-filling method.
| Evaluated Items | Jelly-Filling Method (n = 13) |
Water-Filling Method (n = 17) |
p-Value |
|---|---|---|---|
| EUS operator | 1.000 | ||
| Nonexpert | 6 | 8 | |
| Expert | 7 | 9 | |
| EUS image quality (points) * | 3 (3–4) | 2 (1–4) | <0.001 |
| Procedure time (min) * | 6 (3–10) | 4 (2–10) | 0.024 |
| Observation of Peri-v | 0.238 | ||
| Clear | 13 | 14 | |
| Unclear | 0 | 3 | |
| Observation of Para-v | 0.053 | ||
| Clear | 13 | 12 | |
| Unclear | 0 | 5 | |
| Observation of Pv | 0.004 | ||
| Clear | 13 | 9 | |
| Unclear | 0 | 8 | |
| Adverse events | 0 | 0 | – |
* Data are shown as the median (range). Peri-v: Peri-esophageal vein, Para-v: Para-esophageal vein, Pv: Perforating vein.