Table 2.

Number of entities normalized by HYPHEN

Category	Total entities	Number of entities normalized	Percentage of entities normalized
Problem	2556	2151	83.15
Condition	5119	4969	97.07
RiskFactor	1211	942	77.79
SignOrSymptom	2065	1140	55.21
IndividualBehaviour	194	124	63.92
TestOrMesureResult	685	259	37.81
Treatment	4337	3775	87.04
TestOrMeasure	3576	2609	72.96
AnatomicalConcept	2616	2372	90.67
Drug	2593	2368	91.32
Protein	820	727	87.66
Quality	1153	1015	88.03
Total	26 925	22 451	83.38