Table 2.
The evaluation of the endoscopic submucosal dissection induced ulcers and delayed bleeding
| Vonoprazan | Lansoprazole | P value1 | U value2 | |
| Area of the ulcer just after ESD (mm3) | 1446.9 (605-3977.4) | 1262.6 (597.8-7322.3) | 89 | |
| Results of the follow-up endoscopy | ||||
| Area of the ulcer on day 8 (mm3) | 533.5 (93.6-1735.9) | 459.8 (90.5-5479.5) | 93 | |
| Shrinking rate on day 8 (%) | 61.8 (24.0-91.1) | 71.3 (25.2-88.6) | 70.5 | |
| Area of the ulcer on day 28 (mm3) | 61.6 (0-289.1) | 28.7 (1.1-639.4) | 93 | |
| Shrinking rate on day 28 (%) | 95.3 (76.2-100) | 97.2 (81.1-99.8) | 68 | |
| Delayed ulcer healing n (%) | 3/14 (21.4) | 1/12 (8.3) | 0.356 | |
| Delayed bleeding n (%) | 0/14 (0) | 0/12 (0) | 1 | |
1
χ2;
2
Mann-Whitney U test. Data were expressed as number (%), mean ± SD, or median (range). U value less than 45 and P value less than 0.05 were considered statistically significant. ESD: Endoscopic submucosal dissection.