Efficacy, Safety, and Overall Quality of Life of Endoscopic Submucosal Dissection for Early Colorectal Cancer in Elderly Patients

Table 2

The complications observed during ESD procedure.

	Elderly group ()	Nonelderly group ()	value
Significant bleeding during ESD	1 (0.9%)	2 (0.7%)	0.629
Perforation	1 (0.9%)	4 (1.5%)	0.147
Bradycardia (<40 beats per minute)	14 (12.8%)	30 (11.1%)	0.168
Decrease in oxygen concentration (Sat O2 < 90%)	38 (34.9%)	86 (31.9%)	0.152