Number of Polyploid Giant Cancer Cells and Expression of EZH2 Are Associated with VM Formation and Tumor Grade in Human Ovarian Tumor

Table 3

Comparison of the EZH2 expression levels in human ovarian tumor cells.

	Group	𝑛	Staining index of EZH2	𝜒^2	𝑃 value
Primary ovarian tumor	I	21	10.05±2.42	11.276	0.010
Corresponding metastatic tumor	II	21	11.43±1.43
Primary ovarian tumor without metastasis	III	26	9.00±2.95
Borderline serous cystadenoma	IV	12	8.75±3.65