Efficacy and safety of grasping forceps-assisted endoscopic resection for gastric neoplasms: A multi-centre retrospective study

Table 1 Comparison of baseline clinicopathologic characteristics between grasping forceps assisted endoscopic resection and endoscopic submucosal dissection groups

	GF-ER	ESD	P value
Age, yr
Median (IQR)	68.0 (54-80)	75.0 (66-82)	0.28
Sex, n (%)
Male	6 (75.0)	45 (71.4)	1
Female	2 (25.0)	18 (28.6)
Morphology, n (%)
Flat or depressed	5 (55.6)	46 (73.0)	0.43
Elevated	4 (44.4)	17 (27.0)
Ulceration, n (%)
Presence	0 (0)	4 (6.3)	1
Absence	9 (100)	59 (93.7)
Tumor size, mm
Median (IQR)	7 (4-11)	16 (9-22)	< 0.01
Tumor depth, n (%)
Mucosa	6 (66.7)	49 (77.8)	0.43
Submucosa	3 (33.3)	14 (22.2)
Histology, n (%)
Differentiated	9 (100)	49 (77.8)	0.31
Undifferentiated	0 (0)	14 (22.2)

P values were calculated using Fisher’s exact test for categorical data and Mann-Whitney U test for continuous data. GF-ER: Grasping forceps assisted endoscopic resection; ESD: Endoscopic submucosal dissection; IQR: Interquartile range.