Retrospective comparison of precutting endoscopic band ligation and endoscopic submucosal dissection for small gastric muscularis propria tumors

Table 1 Baseline demographics and tumor characteristics in endoscopic submucosal dissection and precutting endoscopic band ligation patients before and after inverse probability of treatment weighting adjustment, n (%)

Variables	ESD (n = 48)	Precutting EBL (n = 46)	P value		Standardized difference
			Before IPTW	After IPTW	Before IPTW	After IPTW
Gender	-	-	1	0.964	0.005	0.010
Male	21 (43.75)	20 (43.48)	-	-	-	-
Female	27 (56.25)	26 (56.52)	-	-	-	-
Age, years, mean ± SD	54.27 ± 8.61	53.13 ± 11.10	0.578	0.734	0.115	0.013
Tumor size, mm
Median (IQR)	10.00 (10.00-10.00)	11.00 (9.25-14.75)	0.134	0.939	0.333	0.016
Tumor location	-	-	0.868	0.977	0.078	0.006
Fundus	30 (62.50)	27 (58.70)	-	-	-	-
Others	18 (37.50)	19 (41.30)	-	-	-	-
Cardia	1 (2.08)	1 (2.17)	-	-	-	-
Body	15 (31.25)	9 (19.57)	-	-	-	-
Antrum	2 (4.17)	9 (19.57)	-	-	-	-

EBL: Endoscopic band ligation; ESD: Endoscopic submucosal dissection; IPTW: Inverse probability of treatment weighting; IQR: Interquartile range.