Table 3. Characteristics and clinical results of patients with or without stricture.

Characteristic	Patients with stenosis (n=11)	Patients without stenosis (n=14)	P value
Age, mean ± SD, y	66.18±8.83	64.29±7.72	0.573
Gender, n			0.742
Male	7	8
Female	4	6
Lesion location, n			0.030
Upper-middle	4	2
Middle	5	2
Middle-lower	2	10
Longitudinal length of ulceration, mean ± SD, mm	94.55±21.15	100.00±16.64	0.477
Length of stent, mean ± SD, mm	110.91±13.75	117.14±13.26	0.263
Invasion depth			0.165
T1a	7	9
T1b	4	5
No. of mucosal patches, mean ± SD	15.00±5.95	21.36±5.76	0.013