New hope for esophageal stricture prevention: A prospective single-center trial on acellular dermal matrix

Table 2 Analysis of lesions in the autologous mucosal transplantation group and acellular dermal matrix transplantation group

	Group 1 (n = 9)	Group 2 (n = 11)	P value
Gender			0.77
Male	6	8
Female	3	3
Age			0.94
≥ 60 yr	3	4
< 60 yr	6	7
Wound circumference			0.23
1/2-3/4 circumference	3	7
3/4-full circumference	6	4
Wound length			0.22
< 10 mm	0	0
10-30 mm	1	2
> 30 mm	8	9
Endoscopic morphology			0.81
IIa	3	3
IIb	3	0
IIc	0	4
IIa + IIc	3	3
Invasion depth			0.19
Mucosal layer	3	4
Lamina propria	0	3
Muscularis mucosa	3	2
Submucosa	3	1
Follow-up time (mo)	39.67 (34.57-44.13)	43.16 (38.60-44.90)	0.52

Group 1: Autologous mucous membrane transplantation group; Group 2: Acellular dermal matrix transplantation group.