Table 2. Prediction results of the cross-validation with different feature number.

Feature used	TP	TN	FP	FN	ACC	SPE	PRE	REC	F1	MCC
All	5	90	2	57	0.62	0.98	0.71	0.08	0.14	0.14
HEP	48	64	28	14	0.73	0.70	0.63	0.77	0.70	0.46
-EIIP	35	77	15	27	0.73	0.84	0.70	0.56	0.63	0.42
-RctmPI	25	74	18	37	0.64	0.80	0.58	0.40	0.48	0.23
-PSHP	46	67	25	16	0.73	0.73	0.65	0.74	0.69	0.46

The highest values are highlighted in bold.