Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=0	 	 	 	 
AGE	Spearman correlation test	N=0	 	 	 	 
GENDER	t test	N=11	male	N=11	female	N=0
HISTOLOGICAL TYPE	t test	N=10	rectal mucinous adenocarcinoma	N=8	rectal adenocarcinoma	N=2
DISTANT METASTASIS	t test	N=0	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=0	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=16	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=0	 	 	 	 
NEOPLASM DISEASESTAGE	ANOVA test	N=2