SFRP4 Is a Potential Biomarker for the Prognosis and Immunotherapy for Gastric Cancer

Table 2

Differential expression of SFRP4 in gastric cancer and paracancerous tissues.

Variables	N	Expression of SFRP4			χ^2	value^a
		High	Low	High rate
Tumor tissue	137	96	41	70.07%	6.247	0.012^∗
Paracancerous tissue	137	76	61	55.47%

^aStatistically significant ().