Impact of gastric neoplasms location on clinical outcome of patients treated by endoscopic submucosal dissection

Table 2 Comparison of procedure time between both gastric segments according to lesion size and histological analysis

	Procedure time, distal stomach (n = 99) (minutes)	Procedure time, proximal stomach (n = 49) (minutes)	P value
Neoplasm size
< 30 mm	83.04 ± 37.55	108.65 ± 44.58	< 0.001
≥ 30 mm	111.90 ± 44.00	154.76 ± 72.34	< 0.001
Histological type of resected specimen
Benign neoplasms	90.88 ± 37.07	111.66 ± 44.47	0.002
Low grade dysplasia	78.38 ± 24.30	96.87 ± 19.19	< 0.001
High grade dysplasia	92.72 ± 36.82	158 ± 78.07	< 0.001
Adenocarcinoma	112.62 ± 50.95	136.05 ± 67.44	0.017