Table 3.

Performance of clinical relation extraction

Relation class	Precision	Recall	F1 score
Modified_By	0.90	0.98	0.94
Has_TempMea	0.75	0.77	0.76
Has_Measurement	0.88	0.95	0.92
Overall	0.87	0.92	0.89

When using the gold standard entities and attributes from annotations, the relation extraction is able to achieve F1 score of 0.89.