Mucosa color and size may indicate malignant transformation of chicken skin mucosa-positive colorectal neoplastic polyps

Table 1 Comparison of baseline clinical and endoscopic characteristics of chicken skin mucosa-positive colorectal polyps

		Juvenile polyps (n = 5)	Neoplastic polyps (n = 70)	NHGN (n = 86)	SM stage cancer (n = 22)	P value
Age (mean SD, yr) (n = 177)		26.66 8.17	58.68 9.15	61.26 11.12	64.4 8.73	< 0.001
diameter (cm) (n = 183)		1.57 0.34	0.88 0.37	1.61 0.52	1.93 0.53	< 0.001
Sex (n = 177)	Male	4	33	46	15	0.34
	Female	1	31	40	7
Location (n = 183)	Left colon	2	48	50	12	0.38
	Rectum	3	22	36	10
Morphology (n = 183)	Polypoid (Is, Isp, Ip)	5	57	75	18	0.63
	Nonpolypoid (IIa, LST)	0	13	11	4
CSM	Type 1	5	25	59	17	< 0.001
	Type 2	0	45	27	5

NHGN: Noninvasive high-grade neoplasia; SD: Standard deviation; SM stage cancer: Submucosal invasion carcinoma; CSM: Chicken skin mucosa; LST: Laterally spreading tumor.