Table 6.

Experimental results of proposed model and previous systems from 2014 i2b2/UTHealth shared task.

Model	Recall	Precision	F1-score
Proposed model	0.9265	0.9366	0.9366
Roberts et al.36	0.9625	0.8951	0.9276
Chen et al.85	0.9436	0.9106	0.9268
Cormack et al.86	0.9375	0.8975	0.9171
Yang and Garibaldi1	0.9488	0.8847	0.9156
Shivade et al.87	0.9261	0.8907	0.9081
Chang et al.88	0.9387	0.8594	0.8973
Khalifa and Meystre89	0.8951	0.8552	0.8747
Karystianis et al.90	0.9007	0.8557	0.8776
Chokkwijitkul et al.7	0.9180	0.8983	0.9081

Significant values are in [bold].