Table 5.
Intraoperative complications of endoscopic operations.
| Complication | endoscopic operation | surgical operation | P value | |
|---|---|---|---|---|
| perforation (N) | Y | 6 | 1 | p=1.00 |
| N | 137 | 22 | ||
| intraoperative bleeding (N) | Y | 2 | 16 | p<0.05 |
| N | 141 | 7 | ||
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