Table 1 Quality control of esophageal ESD
Parameter | Control group (n = 8) | ChGelPBS group (n = 8) | ChGelMSC−Exo group (n = 8) | P |
|---|---|---|---|---|
Mean duration (min), mean ± SD | 69.3 ± 10.8 | 73.0 ± 12.5 | 73.0 ± 9.9 | 0.74 |
Total volume for submucosal Injection (mL), mean ± SD | 77.1 ± 8.9 | 74.9 ± 10.7 | 76.1 ± 11.5 | 0.91 |
Major axis of specimen (mm), mean ± SD | 53.9 ± 10.1 | 54.3 ± 6.5 | 56.0 ± 5.0 | 0.83 |
Adverse events | ||||
 Perforation rate | 0 | 0 | 0 | NA |
 Massive bleeding | 0 | 0 | 0 | NA |