Table 3. Subgroup analyses for R0 resection rates.
| Subgroup | Number of studies included | Number of patients | Pooled rate (95 % CI) | I2 | P value |
| Difficult colorectal polyps | 14 10 11 12 13 14 17 20 21 22 23 24 25 26 | 324 | 80 (67–91) | 81.83 % | < 0.01 |
| Colorectal early carcinoma | 7 11 13 14 17 21 25 | 88 | 78 (54–95) | 68.25 % | < 0.01 |
| Colorectal SELs | 8 10 12 13 17 18 20 23 26 | 38 | 100 (95–100) | 0 | 0.99 |
| Upper GI SELs | 5 3 10 14 16 18 24 | 30 | 81 (58–97) | 47.97 % | 0.09 |
| Devices | |||||
| Lower EFTR | |||||
|
12 13 14 15 17 19 20 21 22 23 25 26 | 508 | 84 (77–89) | 60.71 % | < 0.01 |
|
5 10 11 12 18 24 | 21 | 68 (31–197) | 65.37 % | 0.02 |
| Upper EFTR | |||||
|
2 14 16 | 5 | 80 (47–100) | N/A 1 | N/A 1 |
|
4 3 10 18 24 | 22 | 80 (45–100) | 68.62 % 1 | 0.02 1 |
SELs, subepithelial lesions; EFTR, endoscopic full-thickness resection; FTRD, full-thickness resection device; OTSC, over the scope clips
1
Insufficient numbers/degrees of freedom (2)