Identifying SNOMED Concepts Relevant to CHA 2DS 2-VASc and HAS-BLED Scores

• 106 unique concepts identified • 13 (12%) of were common to both clinicians. • Including the descendants, the intersection was just over 47%. We believe this is a more useful measure of the intersection, since including a parent and child concept deserves much less of a penalty than including entirely incorrect concepts. • GF selected 36 concepts which EA did not including descendants only added 42 concepts to the total, while the 57 which EA selected that GF did not added 5,862. • The final consensus included 47 concepts, indicating a rather large amount of culling during arbitration was performed. Discussion There were 59 total exclusions. Decisions about the correctness of concept selections were made along the following lines: • ancestor concept already having been identified e.g., congestive heart failure is a child of heart failure in SNOMED CT • low probability of indicating the criteria Endocrinologist for the renal disease category Respiratory crackles for the congestive heart failure category • The remaining concepts were too broad and required clinical decisions about whether to include them or not e.g., include Chronic liver disease instead of Disorder of liver, since scales are concerned with long-term effects, rather than short-lived diseases of which there are many under Disorder of liver.