Table 5.

Multivariate analysis

Risk factors	OR	95% CI	P value
Pre-ESD history	4.185	1.511–11.589	0.006
Maximum specimen size	1.721	1.135–2.610	0.011
Circumferential range	57.493	17.236–191.782	< 0.001
Depth of infiltration	3.449	1.014–11.734	0.048
Non-en bloc resection	7.413	2.398–22.921	0.001

OR odds ratio, CI confidence interval