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Table 5 Distribution of annotations per entity type (A: ‘Abstracts’; E: ‘EudraCT’)

From: A clinical trials corpus annotated with UMLS entities to enhance the access to evidence-based medicine

  A M (SD) E M (SD) Total M (SD)
ANAT 2683 5.37 (±4.90) 4045 5.78 (±4.74) 6728 5.61 (±4.81)
CHEM 4338 8.68 (±7.19) 4886 6.98 (±5.07) 9224 7.69 (±6.10)
DISO 4296 8.59 (±7.20) 8771 12.53 (±6.40) 13 067 10.89 (±6.30)
PROC 8714 17.43 (±7.74) 8966 12.81 (±5.87) 17 680 14.73 (±7.09)