Endoscopic and pathological characteristics of de novo colorectal cancer: Retrospective cohort study

Table 3 The risk factors are related to the depth of invasion

Depth of invasion	M	SM-S	SM-d and deeper	r	P value
Size, %				-0.002	> 0.05
1 cm < S ≤ 2 cm	1 (12.5)	0 (0.0)	13 (81.3)
≤ 1 cm	7 (87.5)	9 (100.0)	0 (0.0)
> 2 cm	0 (0.0)	0 (0.0)	3 (18.8)
Growth pattern					> 0.05
IFNa	0 (0.0)	0 (0.0)	0 (0.0)
IFNb	0 (0.0)	0 (0.0)	0 (0.0)
IFNc	8 (100.0)	9 (100.0)	16 (100.0)
Differential degree				0.904	< 0.001
G1	5 (62.5)	1 (11.1)	0 (0.0)
G2	3 (37.5)	8 (88.9)	0 (0.0)
G1-2	0 (0.0)	0 (0.0)	10 (62.5)
G3-2	0 (0.0)	0 (0.0)	6 (37.5)
Macroscopic type				-0.093	> 0.05
Is	2 (25.0)	0 (0.0)	13 (81.3)
IIa + IIc	6 (75.0)	9 (100.0)	0 (0.0)
IIc	0 (0.0)	0 (0.0)	3 (18.8)
Is + IIc	0 (0.0)	0 (0.0)	0 (0.0)
NICE					> 0.05
Type 1	0 (0.0)	0 (0.0)	0 (0.0)
Type 2	0 (0.0)	0 (0.0)	0 (0.0)
Type 3	8 (100.0)	9 (100.0)	16 (100.0)
Sano				0.938	< 0.001
I	0 (0.0)	0 (0.0)	0 (0.0)
II	0 (0.0)	0 (0.0)	0 (0.0)
IIIA	8 (100.0)	9 (100.0)	0 (0.0)
IIIB	0 (0.0)	0 (0.0)	16 (100.0)
JNET				0.649	< 0.001
1	0 (0.0)	0 (0.0)	0 (0.0)
2A	0 (0.0)	0 (0.0)	0 (0.0)
2B	5 (62.5)	7 (77.8)	0 (0.0)
3	3 (37.5)	2 (22.2)	16 (100.0)
Pit pattern				-0.491	< 0.001
Vi	1 (12.5)	0 (0.0)	0 (0.0)
Vn	0 (0.0)	0 (0.0)	13 (81.3)
Vi + Vn	7 (87.5)	9 (100.0)	3 (18.8)
IV + Vi	0 (0.0)	0 (0.0)	0 (0.0)
Pit pattern at the edge of the tumors					> 0.05
I	8 (100.0)	9 (100.0)	16 (100.0)
III + VI	0 (0.0)	0 (0.0)	0 (0.0)
Surrounding mucosa
Pulling				-0.567	< 0.001
Yes	0 (0.0)	0 (0.0)	9 (56.3)
No	8 (100.0)	9 (100.0)	7 (43.8)
Converging folds				-0.62	< 0.001
Yes	3 (37.5)	8 (88.9)	16 (100.0)
No	5 (62.5)	1 (11.1)	0 (0.0)
CSM				-0.796	< 0.001
CSM1	0 (0.0)	0 (0.0)	11 (68.8)
CSM2	3 (37.5)	9 (100.0)	5 (31.3)
CSM3	5 (62.5)	0 (0.0)	0 (0.0)

IFN: Infiltration; CSM: Chicken skin mucosa; NICE: Narrow-band imaging International Colorectal Endoscopic.