Application of a novel adverse event classification scale in a Latin American gastrointestinal endoscopy unit

Table 3 Comparison between the American Society for Gastrointestinal Endoscopy and adverse events in gastrointestinal endoscopy classification systems

Feature	ASGE lexicon	AGREE classification
Definition	An event that prevents completion of the planned procedure and/or results in admission to hospital, prolongation of existing hospital stay, another procedure (needing sedation/anesthesia), or subsequent medical consultation	A negative outcome for the patient that prevents completion of a planned procedure or causes any deviation from the standard postprocedural course
Severity categories	Mild, moderate, severe, fatal	Grades 1 to 5 (based on clinical impact, management, and outcome)
	Also, it qualifies for all events timing and attribution
Applicability	All gastrointestinal endoscopy procedures	All gastrointestinal endoscopy procedures
	Adopted historically	Should enable comparison between GI endoscopy and surgery or interventional radiology
	Focus on hospital admission and postprocedural interventions	Focus on postprocedural interventions
Origin	United States and Canada	Worldwide

ASGE: American Society for Gastrointestinal Endoscopy; AGREE: Adverse events in gastrointestinal endoscopy; GI: Gastrointestinal.