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Table 1 A summary of the types of encoding outputs and their respective frequencies

From: A method for encoding clinical datasets with SNOMED CT

Source Extracted Cleaned Eligible Ineligible Encoded Unencoded Verification Required
Data Elements 211 211 146 65 32 124 0
Coded Values 145 145 145 0 74 71 0
Free Text Values Unique 15,075 8,582 8,436 146 1,939 3,368 1,129
  Total 37,248 58,829 58,272 507 49,475 3,954 4,844