Table 3.

Comparison of method performance on the Chinese electronic medical record (CEMR) dataset.

Method	P value (%)	R value (%)	F1 score (%)
Conditional random field (CRF)	88.57	68.43	77.21
CNNa+BiLSTMb+CRF	81.51	76.92	79.15
Lattice long short-term memory (LSTM)	88.60	74.48	80.93
Bidirectional Encoder Representations from Transformers (BERT)	83.73	78.76	81.17
Multi-level representation learning for entity recognition (multi-level ER)	85.21	79.23	82.11

^aCNN: convolutional neural network.

^bBiLSTM: bidirectional long short-term memory.