Table 2 Results and clinical course of gastric ESD
Characteristic | Total (n = 123) | MSCC (n = 114) | PMSCC (n = 9) | P value |
|---|---|---|---|---|
En bloc R0 resection, n (%) | 121/123 (98.4) | 112/114 (98.2) | 9/9 (100.0) | 1.0000 |
VM1, n (%) | 2 (1.6) | 2 (1.8) | 0 (0) | 1.0000 |
HM1, n (%) | 0 (0) | 0 (0) | 0 (0) | |
Curative resection, n (%) | 107/123 (87.0) | 86/100 (86.0) | 7/9 (77.7) | 0.3312 |
Resection time (min), median (IQR) | 91 (55–137) | 88 (54–133) | 100 (74–186) | 0.3486 |
Resection speed (cm2/h), median (IQR) | 4.5 (2.6–6.2) | 4.5 (2.6–6.2) | 4.0 (2.2–5.2) | 0.7819 |
Surgeon, S.A. alone/others | 84/39 | 77/37 | 7/2 | 0.7177 |
Time of PEC method (min), median (IQR) | 7 (5–11) | 7 (4–11) | 11 (5–16) | 0.1060 |
Speed of PEC method (cm2/10 min), median (IQR) | 7.5 (4.9–12.7) | 7.5 (4.9–12.8) | 6.9 (4.5–11.4) | 0.7449 |
Time of MSCC method (min), median (IQR) | 16 (8–23) | 16 (8–22) | 26 (8–30) | 0.2574 |
Speed of MSCC method (cm2/10 min), median (IQR) | 4.0 (2.7–7.1) | 4.0 (2.7–6.9) | 4.3 (2.8–7.7) | 0.6656 |
Number of clips used for MSCC method, n, median (IQR) | 4 (1–7) | 4 (1–7) | 4 (4–8) | 0.3884 |
Time of PMSCC methoda (min), median (IQR) | 59 (44–63) | |||
Speed of PMSCC methoda (cm2/10 min), median (IQR) | 1.3 (1.2–2.4) | |||
Second-look endoscopy, n (%) | 15 (12.9) | 13 (12.9) | 2 (22.2) | 0.3015 |
Vonoprazan, n (%) | 99 (80.5) | 90 (78.9) | 9 (100.0) | 0.2032 |
Perforation during ESD, n (%) | 0 (0) | 0 (0) | 0 (0) | |
Delayed perforation, n (%) | 0 (0) | 0 (0) | 0 (0) | |
Delayed bleeding, n (%) | 1 (0.8) | 1 (0.9) | 0 (0) | 1.0000 |
Post-ESD stenosis, n (%) | 0 (0) | 0 (0) | 0 (0) |