Table I.

Association analyses between the expression levels of CD147 and MMP-2 and the clinicopathological characteristics of endometrioid endometrial cancer.

		CD147 expression				MMP-2 expression
Clinicopathological variable	Patients, n	Low, n	High, n	χ2	P-value	Low, n	High, n	χ2	P-value
All cases	107	59	48			58	49
Age, years				6.24	0.009			9.67	0.002
>60	46	19	27			17	29
≤60	61	40	21			41	20
FIGO stage				0.445	0.505			7.316	0.007
Low (I/II)	77	44	33			48	29
High (III/IV)	30	15	15			10	20
Histological grade				1.611	0.204			6.669	0.010
Low (G1 or 2)	84	49	35			51	33
High (G3)	23	10	13			7	16
Lymph node metastasis				6.801	0.009			2.668	0.102
Negative	74	47	27			44	30
Positive	33	12	21			14	19
Depth of myometrial invasion				3.394	0.065			4.348	0.037
<50%	66	41	25			41	25
≥50%	41	18	23			17	24
ER expression				10.025	0.002			3.128	0.077
Low	60	25	35			28	32
High	47	34	13			30	17
PR expression				2.155	0.142			7.962	0.005
Low	54	26	28			22	32
High	53	33	20			36	17

FIGO, International Federation of Gynecology and Obstetrics; ER, estrogen receptor; PR, progesterone receptor; CD147, extracellular matrix metalloproteinase inducer; MMP-2, matrix metalloproteinase-2.