Table 3 Endoscopic criteria for submucosal invasion in 224 laterally spreading tumours, non‐granular type.

	sm‐Ca./n	Univariate analysis	Multivariate analysis
		p Value	Odds ratio	p Value
Sclerous wall change
Present	13/14	<0.001	34.90	0.009
Absent	19/210
Pit pattern
Present	17/19	<0.001	16.46	0.020
Absent	15/205
Tumour size
⩾20 mm	23/67	<0.001	8.98	0.001
<20 mm	9/157
Depressed area
Present	9/12	<0.001	9.70	NS
Absent	23/212
Redness
Present	8/8	<0.001	>100	NS
Absent	24/216
Large nodule
⩾10 mm	2/2	0.020	>100	NS
<10 mm	30/222
Fold convergency
Present	3/7	0.062	–	–
Absent	29/217
Chicken skin mucosa
Present	7/28	0.087	–	–
Absent	25/196

sm‐Ca, submucosal adenocarcinoma.