Efficacy and adverse events of cold vs hot polypectomy: A meta-analysis

Table 2 Details of included studies

Ref.	Patient, Age, mean ± SD or median (range)	Gender (M/F)	No. of polyps	Tumor size, mean ± SD (mm)	Endoscopic procedure for cold polypectomy	No. of all adverse events	Macroscopic appearances		Histologicalfindings			Complete retrieval rate	Post-polypectomy bleeding	Procedure time, mean ± SD (min)
							0-I	0-II	High grade adenoma	Low grade adenoma	Hyperplastic polyp
Cold polypectomy
Horiuchi et al[15], 2010	NA	NA	94	NA	Snare	1	NA	NA	NA	NA	NA	96	0	18
Ichise et al[16], 2011	65.1 ± 11	25/15	101	5.7 ± 4	Snare	1	89	12	1	94	6	96	0	18 ± 6
Paspatis et al[17], 2011	59.4 ± 13.6	107/101	636	5.3 ± 1.4	Snare	19	NA	NA	NA	NA	NA	96	0	23.3 ± 4.8
Aslan et al[18], 2013	59.5 ± 14.9	32/17	78	7.21 ± 1.4	Snare	1	NA	NA	NA	NA	NA	94.9	1	NA
Horiuchi et al[21], 2013	67.0 ± 13	25/10	78	6.5 ± 1.2	Snare	4	55	23	2	70	6	94	0	16 ± 7
Gomez et al[20], 2014	NA	NA	44	NA	Snare or Forceps	0	NA	NA	NA	NA	NA	90 (cold snare), 89 (cold forceps)	0	NA
Hot polypectomy
Horiuchi et al[15], 2010	NA	NA	92	NA	-	8	NA	NA	NA	NA	NA	97	0	25
Ichise et al[16], 2011	65.5 ± 12	28/12	104	5.5 ± 6	-	8	95	9	1	93	10	96	0	25 ± 7
Paspatis et al[17], 2011	61.3 ± 11	125/81	619	5.67 ± 1.3	-	2	NA	NA	NA	NA	NA	96	0	29.6 ± 7.4
Aslan et al[18], 2013	58.3 ± 13.5	36/12	71	7.56 ± 1.45	-	1	NA	NA	NA	NA	NA	94.4	1	NA
Horiuchi et al[21], 2013	67.3 ± 12	24/11	81	6.8 ± 1.3	-	16	62	19	2	72	7	93	5	26 ± 9
Gomez et al[20], 2014	NA	NA	18	NA	-	0	NA	NA	NA	NA	NA	94	0	NA

NA: Data not available.