Table 1.

Association analyses between the expression levels of RRBP1 and the clinicopathological characteristics of endometrial endometrioid adenovarcinoma

Variables	Patients n	RRBP1 expression		P a
		Low	High
All cases
Age(years)
<60	93	37	56	P = 0.432
≥ 60	37	18	19
FIGO stage
I	103	51	52	P = 0.003
II	17	4	13
III	10	0	10
Histological grade
G1	42	25	17	P = 0.005
G2~G3	88	30	58
Lymph node metastasis
No	122	55	67	P = 0.021
Yes	8	0	8
Deep muscular layer infiltration
<50%	107	54	53	P<0.001
≥ 50%	23	1	22

FIGO, International Federation of Gynecology and Obstetrics; G1, well differentiated; G2, moderately differentiated; G3, poorly differentiated; RRBP1, Ribosome-binding protein 1; ^aChi-square test