Outcome	Cold resection		Hot resection
	n	%	n	%
R0 resection rate	144	93% (95% CI, 0.72-0.99; I2=77%)†	1057	86% (95% CI, 0.80-0.91; I2=81%)
En bloc resection rate	473	65% (95% CI, 0.26-0.91; I2=97%)†	1522	84% (95% CI, 0.77-0.90; I2=90%)
Intraprocedural bleeding	566	0% (95% CI, 0-0.01; I2=0%)	1337	3% (95% CI, 0.01-0.05; I2=68%)
Delayed bleeding	668	0% (95% CI, 0-0.03; I2=6%)	938	4% (95% CI, 0-0.07; I2=54%)
Perforation	618	0% (95% CI, 0-0; I2=0%)	2023	0% (95% CI, 0-0; I2=5%)
Post-polypectomy syndrome	415	0% (95% CI, 0-0; I2=7%)	836	0% (95% CI, 0-0.02; I2=59%)

(b) Pooled proportions according to electrocautery (cold vs hot resection), CI, confidence interval. ^†Fewer than five studies were included in the analysis.