Polyploid giant cancer cells with budding and the expression of cyclin E, S-phase kinase-associated protein 2, stathmin associated with the grading and metastasis in serous ovarian tumor

Table 4 The differences of stathmin, cyclin E and SKP-2 expression in primary ovarian tumor and their corresponding metastatic tumor

	Group	n	SKP-2	Cyclin E	Stathmin
Primary ovarian tumor with metastasis	I	21	1.33 ± 1.55	2.57 ± 2.13	0.86 ± 1.93
Corresponding metastatic tumor	II	21	1.95 ± 1.74	4.42 ± 1.98	1.95 ± 2.15
Z			-1.182	-2.670	-2.487
P			0.237	0.008	0.013

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