Pathological features and risk factors for submucosal infiltration of colorectal lateral spreading tumors

Table 2 Univariate logistic regression analysis of risk factors for malignant transformation of colorectal lateral developing tumors, n (%)

Project	Non cancerous group (n = 340)	Cancer group (n = 116)	χ2 value	P value
Gender			3.706	0.054
Male	173 (50.9)	71 (61.2)
Female	167 (49.1)	45 (38.8)
Age			1.820	0.177
≤ 64	180 (52.9)	53 (45.7)
> 64	160 (47.1)	63 (54.3)
Disease size			45.072	< 0.001
≤ 2 cm	232 (68.2)	38 (32.8)
> 2 cm	108 (31.8)	78 (67.2)
Location of lesion			51.821	< 0.001
Cecum	50 (14.7)	4 (3.4)
Ascending colon	89 (26.2)	23 (19.8)
Transverse colon	94 (27.6)	15 (12.9)
Descending colon	20 (5.9)	6 (5.2)
Sigmoid colon	28 (8.2)	12 (10.3)
Rectum	59 (17.4)	56 (48.3)
Endoscopic classification			42.566	< 0.001
LST-NG-F	106 (31.2)	3 (2.6)
LST-NG-PD	36 (10.6)	22 (19.0)
LST-G-H	22 (6.5)	5 (4.3)
LST-G-M	176 (51.8)	86 (74.1)
Accompanied by large nodules			91.969	< 0.001
No	316 (92.9)	63 (54.3)
Yes	24 (7.1)	53 (45.7)
Accompanied by other adenomas			0.003	0.959
No	77 (22.6)	26 (22.4)
Yes	263 (77.4)	116 (77.6)

LST: Lateral developing tumors.