Table 5.

Correlation between CD147 and MMP-9^a expressions in type II/III AEG^b tissue

MMP-9	CD147
	-	+-+++
-	18	6
+-+++	14	36
χ2	14.595
P	0.000

^aMMP-9, matrix metalloproteinase 9;

^bAEG, adenocarcinoma of esophagogastric junction.