Effect and Safety of Painless and Conventional Endoscopic Management of Denture Impaction in the Esophagus

Table 2

Comparison of intraoperative and postoperative complications between the normal group and the painless group (n, %).

Groups	Mucosal injury	Bleeding	Perforated	Infection	Aspiration	Total
Normal group	8 (20.0%)	2 (5.00%)	3 (7.50%)	1 (2.50%)	2 (5.0%)	16 (40.0%)
Painless group	3 (7.89%)	0 (0%)	1 (2.63%)	0 (0%)	1 (2.63%)	5 (13.15%)
χ^2	1.464	0.462	0.212	0	0	5.837
	0.226	0.497	0.645	1.000	1.000	0.016