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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Artif Intell Med. 2015 Apr 2;64(1):29–40. doi: 10.1016/j.artmed.2015.03.002

Table 2.

Comparison of SNOMED CT with four reference terminologies.

Reference
terminology		 Size of
reference
terminology		 Additional
concepts in
reference
terminology		 Number of k:1
trapezoids
(reference
terminology :
SNOMED CT)		 Additional
concepts in
SNOMED CT		 Number of 1:k
trapezoids
(reference
terminology :
SNOMED CT)
NCI 95523 504 608 2581 2125
MEDCIN 279529 324 511 2563 2304
FMA 82062 157 147 473 527
UMD 15956 24 16 35 42