Table 6.

Multivariate Linear Regression Analysis for Factors Related to ESD Perforation Outcome in Endoscopic Perforation Cases^*

	Duration of NPO			Duration of intravenous antibiotics			Duration of hospital stay
	β	95% CI	p-value	β	95% CI	p-value	β	95% CI	p-value
Time between perforation and clipping, min
<10	Ref
≥10	0.942	0.073 to 1.811	0.035	-	-	-	-	-	-
Endoscopist
A	Ref			Ref			Ref
B	0.319	−0.550 to 1.188	0.458	0.122	−0.835 to 1.080	0.795	0.133	−0.848 to 1.115	0.783
C	2.947	1.695 to 4.198	<0.001	4.888	3.226 to 6.550	<0.001	4.610	2.906 to 6.313	<0.001
Abdominal pain
Absent	Ref			Ref			Ref
Present	0.747	0.025 to 1.468	0.043	1.332	0.365 to 2.280	0.009	1.533	0.552 to 2.515	0.003

ESD, endoscopic submucosal dissection; NPO, nil per os; β, coefficient; CI, confidence interval; Ref, reference.

^*Only the p<0.05 factors are shown in this table.