Table 4. Ranking of each gene (upregulated) using proposed FS methods.

ID_REF	Identifier	HC	PCC	Relief-F	SFS	SVM-RFE	CFS	RF	IG	Score
206731_at	CNKSR2	1	1	1	1	1	1	1	1	8
209243_s_at	PEG3	1	0	1	1	1	1	1	1	7
210549_s_at	CCL23	1	1	1	1	0	0	0	1	5
216108_at	LOC105373738	1	1	1	0	0	1	0	1	5
220298_s_at	SPATA6	1	1	1	1	1	0	1	1	7
212797_at	SORT1	0	1	0	1	0	0	1	1	4
207996_s_at	LDLRAD4	0	1	0	1	0	0	0	0	2
208762_at	SUMO1	0	1	0	0	0	0	1	1	3
207257_at	EPO	1	1	0	1	0	1	0	1	5
202035_s_at	SFRP1	1	0	0	0	1	0	1	1	4
204672_s_at	ANKRD6	0	0	1	1	1	0	1	1	5
220994_s_at	STXBP6	0	0	1	1	1	0	1	1	5
213652_at	PCSK5	1	0	0	0	1	1	0	0	3
213994_s_at	SPON1	1	0	1	1	1	1	1	0	6
221606_s_at	HMGN5	0	0	1	1	1	1	1	0	5
203440_at	CDH2	1	0	1	1	0	1	0	1	5
207046_at	HIST2H4B	1	0	0	0	0	0	0	0	1
211865_s_at	FZR1	0	1	1	1	0	1	0	1	5
215401_at	AU147698	1	0	1	0	1	1	0	1	5
213068_at	DPT	1	0		0	0	1	1	1	5
214117_s_at	BTD	1	1	0	1	1	1	1	1	7
34187_at	AK026407	1	1	0	1	1	0	1	1	6
213611_at	AQP5	1	0	0	1	1	1	1	0	5
209465_x_at	PTN	0	0	1	0	1	1	0	0	3
208606_s_at	WNT4	0	0	1	1	1	1	1	0	5
211814_s_at	CCNE2	0	0	1	1	1	1	1	0	5
208790_s_at	PTRF	0	0	0	0	0	1	0	0	1
200908_s_at	RPLP2	1	1	1	1	1	0	1	1	7
219795_at	SLC6A14	0	0	0	0	1	1	0	0	2
205730_s_at	ABLIM3	1	0	1	0	1	1	1	0	5
202648_at	TCF3	1	1	1	1	0	1	1	1	7
216267_s_at	TMEM115	1	1	1	0	1	0	1	1	6

Notes.

The nine upregulated genes selected by most (≥6) of the methods are CNKSR2, PEG3, SPATA6, SPON1, BTD, AK026407 RPLP2, TCF3 and TMEM115.