Basigin-2 is the predominant basigin isoform that promotes tumor cell migration and invasion and correlates with poor prognosis in epithelial ovarian cancer

Table 2 Univariate and multivariate analyses of PFS in patients with epithelial ovarian cancer

Variables	Categories	Univariate analysis		P	Multivariate analysis		P
Variables	Categories	HR^a	95% CI^b	P	HR^a	95% CI^b	P
Age	<60
	≥60	1.131	0.779-1.640	0.518	–	–	–
FIGO stage	I+II
	III+IV	1.882	1.261-2.809	0.002*	1.710	1.144-2.557	0.009*
Grade	G1
	G2	1.171	0.686-1.997	0.563	–	–	–
	G3	1.419	0.864-2.330	0.166	–	–	–
Histological type	Serous
	Nonserous	0.852	0.596-1.218	0.380	–	–	–
LVS involvement	Negative
	Positive	1.944	1.246-3.033	0.003*	1.410	0.935-2.127	0.101
Lymph node metastasis	Negative
	Positive	1.638	1.091-2.461	0.017*	1.578	1.001-2.488	0.050
Basigin-2	Low
	High	2.046	1.388-3.017	<0.001*	1.758	1.179-2.619	0.006*

PFS progression-free survival, ^aHR = hazard ratio, ^bCI = confidence interval, *P < 0.05, LVS lymph-vascular space.

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