Table 1.

Comparison of original imbalance dataset and balanced dataset.

Method	Sn (%)	Sp (%)	Acc (%)	MCC
Without resampling	0	100	92.50	NaN
KPCA oversampling	25.54	99.87	92.67	0.33
KPCA oversampling and FUS undersampling	81.42	76.44	78.10	0.55