Indicator Comment	Consensus, %
Indicators of increased risk of complications
1. Use of reversal agents	88.6
An indication of inappropriate sedation practice
2. Sedation doses in patients older than 70 years	82.8
Evaluation of sedation use in susceptible patients who have greater risk of comorbidities
Indicators related to an increased risk of immediate complications
3. Need for cardiopulmonary resuscitation	97.2
For any cause – with assessment of causal relationship
4. Allergic reactions	80.0
For documented or undocumented allergens
5. Laryngospasm or bronchospasm	80.0
For any cause – with assessment of causal relationship
6. Hypoxia (oxygen saturation <85%)	88.6
For any cause – with assessment of causal relationship
7. Hypotension: <90/50 mmHg or fall of ≥20% from baseline	88.6
For any cause – with assessment of causal relationship
8. Hypertension: >190/130 mmHg or rise of ≥20% from baseline	80.0
For any cause – with assessment of causal relationship
9. Symptomatic metabolic complications	80.0
Symptomatic hypoglycemia or hyperglycemia; symptomatic disturbance of fluid and/or electrolyte status
10. Perforation	100.0
Occurring during or after procedure
11. Immediate postpolypectomy bleeding	94.3
This may have been treated successfully during the procedure or it may be persistent and/or requiring transfusion
12. Severe persistent abdominal pain	91.4
Requiring further evaluation but not proven as perforation
13. Impaction of instrument	94.3
Includes therapeutic accessories, eg, snare or basket
14. Instrument malfunction	77.1
Includes endoscope, accessories or ancillary equipment (eg, processor, monitor, lighting, computer, etc)
15. Admission or transfer to an emergency department	94.3
Includes transfer from endoscopy unit for any reason other than the underlying gastrointestinal condition
Indicators related to an increased risk of late complications
16. Infection	88.6
Including acute (eg, Clostridium difficile, abscess, endocarditis) and chronic (eg, hepatitis C) infections; presentation may be early or delayed
17. Gastrointestinal bleeding within 14 days of the procedure	88.6
Upper or lower gastrointestinal origin: eg, postpolypectomy or postbiopsy
18. Unplanned hospitalization within 14 days of the procedure	94.3
For any cause – with assessment of causal relationship
19. Unplanned contact with health care provider within 14 days of the procedure	91.4
For any reason – eg, for abdominal pain or infection – with assessment of causal relationship
20. Death within 30 days	94.3
For any reason – with assessment of causal relationship and evaluation of mortality attributable to the underlying gastrointestinal condition