Table 3.

Factors associated with all the complications: univariate analyses

Factors(n)	Univariate analysis (OR, 95%CI, P)
Gender
Male(78)	1(reference)
Female(57)	0.985 (0.437–2.22), 0.971
Tumor site
Esophagus (67)	1(reference)
Stomach(68)	1.78 (0.784–4.031), 0.169
Layer of origin
MM(53)	1(reference)
SM(82)	3.882 (1.222–12.335), 0.022
Histologic diagnosis
GIST(32)	1(reference)
Leiomyoma(92)	0.773 (0.324–1.843), 0.561
Others(11)	1.091 (0.245–4.856), 0.909
Endoscopic procedure
MBM(60)	1(reference)
ESD(39)	8.167 (2.436–27.379), 0.001
ESE(36)	7.583 (2.242–25.645), 0.001
Tumor size
Tumor < 15 mm(70)	1(reference)
15 mm ≤ Tumor < 30 mm(65)	1.996 (0.879–4.532), 0.098
Piecemeal resection vs En bloc resection
Piecemeal resection	1(reference)
En bloc resection	0.493 (0.152–1.597), 0.238