Table 2.
Endoscopic treatment/patients' clinical course after ESD.
| Combined | Intramucosal invasive ESCC | HGIN | P value | |
|---|---|---|---|---|
| Number of lesions | 307 | 79 | 228 | |
| En bloc resection | 287 (93.5%) | 70 (88.6%) | 217 (95.2%) | 0.041 |
| Complete resection | 240 (78.2%) | 58 (73.4%) | 182 (79.8%) | 0.235 |
| Resection time (minutes) | 60 (40–90) | 60 (43–110) | 60 (40–90) | 0.487 |
| Number of patients | 296 | 79 | 217 | |
| Length of hospitalization (days) | 6 (5–7) | 6 (5–8) | 6 (5–7) | 0.351 |
| Follow-up period (months) | 30 (13.3) | 31 (12.3) | 29 (13.8) | 0.325 |
| Complications | ||||
| Perforation | 3 (1.0%) | 1 | 3 | |
| Bleeding | 2 (0.7%) | 0 | 2 | |
| Stricture | 25 (8.4%) | 9 | 16 | |
| Residual | 27 (9.1%) | 9 (11.4%) | 18 (8.3%) | 0.413 |
| Recurrence | 18 (6.1%) | 6 (7.6%) | 12 (5.5%) | 0.702 |
| Local recurrence | 12 | 5 | 7 | |
| Synchronous recurrence | 4 | 1 | 3 | |
| Metachronous recurrence | 2 | 0 | 2 | |
| Mortality | 13 | 4 | 9 | |
| Cancer-related death | 0 | 0 | 0 |
ESD: endoscopic submucosal dissection; ESCC: esophageal squamous cell carcinoma; HGIN: high-grade intraepithelial neoplasia.