Table 3.

Results of BiLSTM with different layers. BiLSTM with 5 layers and 7 layers both obtain the best results, and the 5-layer BiLSTM is chosen with the consideration of the balance between performance and computational complexity.

Layers	SENS (%)	SPEC (%)	ACC (%)	MCC (%)	PPV (%)	NPV (%)
1	69.11	99.65	99.27	69.42	70.48	99.62
2	71.72	99.62	99.28	70.39	69.8	99.65
3	74.33	99.64	99.34	72.65	71.66	99.69
4	74.22	99.69	99.39	74.34	75.08	99.68
5	75.28	99.7	99.41	75.12	75.56	99.69
6	74.94	99.69	99.39	74.43	74.54	99.69
7	75.05	99.71	99.41	75.29	76.15	99.69