Potential of six-transmembrane epithelial antigen of the prostate 4 as a prognostic marker for colorectal cancer

Table 3 Correlation of six-transmembrane epithelial antigen of the prostate 4 expression with MLH1/2/6, PMS2, and programmed death ligand 1 expression in colorectal cancer

		STEAP4		χ2	P value
		Low	High
MLH1	Low	6	5	18.42	0.000004a
	High	33	36
MLH2	Low	18	10	3.90	0.071
	High	21	30
MLH6	Low	8	7	13.44	0.0003a
	High	29	33
PMS2	Low	12	8	10.31	0.017b
	High	27	30
PDL1	Low	43	41	35.37	0.0019c
	High	2	4

^aP < 0.001.

^bP < 0.05.

^cP < 0.01.

PDL1: Programmed death ligand 1; STEAP4: Six-transmembrane epithelial antigen of the prostate 4.