Table 2 Adverse events based on size of SSPs, resection technical, and resection method
outcome | Outcomes based on size of SSP | Outcomes based on resection technical | Outcomes based on resection method | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
SSP 10-19 mm | SSP > 20 mm | P | Cold EMR | Hot EMR | P | En-bloc | piecemeal | P | Pooled rate | |
Immediate bleeding rate | 0% (95% CI, 0 − 6.1%) | 0.7% (95% CI, 0–5.1%; P = 0.002) | 0.763 | 0% (95% CI, 0 − 0.3%; P = 0.730) | 0.9% (95% CI, 0–4.3%; P = 0.000) | 0.334 | 0% (95% CI, 0 − 9.9%) | 0% (95% CI, 0–0%; P = 0.293) | 0.369 | 0.5% (95% CI, 0–2.4%; P = 0.00) |
Delayed bleeding rate | 0% (95% CI, 0 − 6.1%) | 1.6% (95% CI, 0.6–2.9%; P = 0.902) | 0.522 | 0% (95% CI, 0 − 0.5%; P = 0.489) | 1.5% (95% CI, 0–5.5%; P = 0.000) | 0.260 | 0% (95% CI, 0 − 9.9%) | 0% (95% CI, 0–0.8%; P = 0.100) | 0.499 | 0.8% (95% CI, 0–2.6%; P = 0.00) |
Perforation rate | 0% (95% CI, 0 − 6.1) | 0% (95% CI, 0–0%; P = 0.888) | 0.528 | 0% (95% CI, 0 − 0; P = 0.854) | 0% (95% CI, 0–0.3%; P = 0.594) | 0.477 | 0% (95% CI, 0 − 1.8) | 0% (95% CI, 0–0%; P = 0.728) | 0.053 | 0% (95% CI,0–0; P = 0.91) |