Table 2. Association between HE4 and Lewis y Expression and Pathological Features.

Features	Cases	HE4			Lewis y
		Positive Cases	Positive Rate(%)	P	Positive Cases	Positive Rate(%)	P
Pathological type
Mucinous	21	16	76.19	= 0.86	17	80.95	= 0.14
Serous	32	25	78.13		31	96.88
FIGO stage
I-II	35	26	74.29	= 0.69	31	88.57	= 0.84
III-IV	18	15	83.33		17	94.44
Differentiation
Well	19	11	57.90		13	68.42
Moderate	19	14	73.68	= 0.5*	17	89.47	= 0.23 #
Poor	15	14	93.33	= 0.02**	15	100.00	= 0.004##
Lymphatic metastasis
No	44	32	72.73	= 0.55	39	88.64	= 0.57
Yes	9	8	88.89		9	100.00

^*Compared the well- with moderate-differentiation groups.

^**Compared the well- with poor-differentiation groups.

^#Compared the well- with moderate-differentiation groups.

^##Compared the well- with poor-differentiation groups.