Feasibility of same-day discharge following endoscopic submucosal dissection for esophageal or gastric early cancer

Table 4 Major adverse events of same-day discharge and multi-day discharge groups

Characteristics	Overall sample, n = 470		P value	Matched sample, n = 156		P value
	S-D, n = 91	M-D, n = 379		S-D, n = 78	M-D, n = 78
Total major adverse events	3 (3.3)	32 (8.4)	0.093	3 (3.8)	6 (7.7)	0.495
Intraprocedural perforation	0	14 (3.7)	0.083	0	3 (3.8)	0.245
Postprocedural bleeding during SSLE	3 (3.3)	18 (4.7)	0.778	3 (3.8)	3 (3.8)	1.000
Oozing bleeding	2 (2.2)	16 (4.2)	0.546	2 (2.6)	3 (3.8)	1.000
Active bleeding	1 (1.1)	2 (0.5)	0.476	1 (1.3)	0	1.000

M-D: Multi-day; S-D: Same-day; SSLE: Scheduled second-look endoscopy.