Table 3. Impact of pretreatment factors on selecting the pocket-creation method (multivariate analysis).

	Odds ratio	95 % confidence interval	P value
Age ≥ 65 years	1.65	(0.76 – 3.61)	0.21
Female	1.26	(0.53 – 3.01)	0.61
Location: right colon	0.80	(0.37 – 1.74)	0.57
Pseudo-depressed type	2.72	(1.18 – 6.27)	0.02
Tumor diameter ≥ 30 mm	1.43	(0.63 – 3.22)	0.39
Expert endoscopist performed	0.73	(0.33 – 1.63)	0.44
Prior biopsy	2.14	(0.96 – 4.80)	0.06
Residual tumor	1.29	(0.11 – 15.6)	0.84