Table 5 The association between clinicopathological characteristics of 514 patients with 520 advanced colorectal neoplasia lesions and local recurrence after ESD
Variable | Total (number of patients/lesions) | Local recurrence (%) | P value |
|---|---|---|---|
Age (years) | |||
≤ 60 | 202 | 1 (0.5) | 0.943 |
> 60 | 312 | 3 (1.0) | |
Sex | |||
Male | 291 | 4 (1.4) | 0.136 |
Female | 223 | 0 (0.0) | |
Tumor size (mm) | |||
< 40 | 412 | 2 (0.5) | 0.408 |
≥ 40 | 108 | 2 (1.9) | |
Tumor location | |||
Rectum | 328 | 1 (0.3) | 0.287 |
Colon | 192 | 3 (1.6) | |
Growth type | |||
Polypoid + LST-NG | 373 | 2 (0.5) | 0.681 |
LST-G | 147 | 2 (1.4) | |
Histology | |||
HGD + Tis | 461 | 4 (0.9) | 1.000 |
T1a + T1b | 59 | 0 (0.0) | |
Lymphovascular infiltration | |||
Absence | 515 | 4 (0.8) | 1.000 |
Presence | 5 | 0 (0.0) | |
Resection status | |||
En bloc | 491 | 2 (0.4) | 0.005 |
Piecemeal | 29 | 2 (6.9) | |
Resection method | |||
Standard ESD | 449 | 2 (0.4) | 0.163 |
Hybrid ESD | 71 | 2 (2.8) | |