Efficacy and safety of 0.4 percent sodium hyaluronate for endoscopic submucosal dissection of gastric neoplasms

Table 4 Summary of results on location

	Sodium hyaluronate	Control	P-value
ITT
Usefulness rate
Antrum	18/20 (90.00%)	18/27 (66.67%)	0.086
Body/angle	12/13 (92.30%)	6/9 (66.67%)	0.007
Volume of injection
Antrum	0.03 ± 0.02	0.06 ± 0.04	0.003
Body/angle	0.03 ± 0.02	0.05 ± 0.02	0.047
Procedural time
Antrum	19.40 ± 7.46	18.41 ± 11.67	0.741
Body/angle	28.08 ± 25.47	31.33 ± 24.68	0.768
PP
Usefulness rate (%)
Antrum	15/16 (93.75%)	17/26 (65.38%)	0.036
Body/angle	12/13 (92.30%)	3/8 (37.50%)	0.007
Volume of injection
Antrum	0.03 ± 0.02	0.06 ± 0.04	0.011
Body/angle	0.03 ± 0.02	0.05 ± 0.03	0.039
Procedural time
Antrum	19.06 ± 6.78	18.23 ± 11.88	0.800
Body/angle	28.08 ± 25.47	24.50 ± 14.70	0.723

ITT: Intention to treat; PP: Per protocol.