Table 3.

R0 and curative resection rates of en-bloc ESDs performed on epithelial dysplastic or malignant lesions (n = 210).

	R0 resection			Curative resection
	%	p	OR (CI 95%)**	%	p	OR (CI 95%)**
Local (n)		0.001			0.020
. Oesophagus (6)	67		6.813 (1.079–43.023)	67		3.900 (1.087–13.991)
. Stomach (117)	93		ref	92		ref
. Colon (26)	69		6.056 (2.017–18.184)	69		3.600 (1.575–8.230)
. Rectum (60)	85		2.404 (0.877–6.593)	80		2.340 (1.073–5.101)
. Duodenum (1)	0		-	0		-
Lesion > 30 mm (135)	87 vs 87*	1.000*	8.750 (0.648–118.203)	84 vs 87*	0.567*
. Oesophagus (3)	67 vs 67*	1.000*	ref	67 vs 67*	1.000*	4.933 (0.807-30.155)
. Stomach (74)	95 vs 91*	0.463*	11.667 (2.756–49.391)	93 vs 91*	0.723*	ref
. Colon (15)	60 vs 82*	0.395*	3.403 (0.934–12.393)	60 vs 82*	0.395*	5.920 (2.074-16.901)
. Rectum (43)	84 vs 88*	1.000*	-	76 vs 88*	0.479*	3.442 (1.259-9.408)
. Duodenum (1)	0	-		0	-	-
IT-knife (81)***	79 vs 98	0.009	14.078 (1.813–109-289)	77 vs 94	0.006	4.222 (1.313–13.576)

^*Versus smaller or equal to 30 mm;

^**Risk of not achieving R0 or curative resection;

^***Versus dual-knife.