Table 7.
Efficacy rate for gastric intramucosal neoplasm size and location
| SA | SH | P a | |
|---|---|---|---|
| Neoplasm size (mm) | |||
| 5–9 | 95.0% (19/20) | 88.2% (15/17) | 0.584 |
| 10–14 | 86.4% (19/22) | 100.0% (24/24) | 0.101 |
| 15–20 | 100.0% (9/9) | 54.5% (6/11) | 0.038 |
| Neoplasm location | |||
| Upper third | 83.3% (5/6) | 85.7% (6/7) | 1.000 |
| Middle third | 94.7% (18/19) | 95.2% (20/21) | 1.000 |
| Lower third | 92.3% (24/26) | 79.2% (19/24) | 0.239 |
a
Fisher's exact test.
Efficacy rate was defined as the percentage of en bloc complete resection that required an additional injection number of 0 or 1.
SA, sodium alginate; SH, sodium hyaluronate.