Table 3. Expression of HE4 and integrin β5 in chemotherapy sensitive group and resistant group of 92 cases of epithelial ovarian cancer.

Marker	Sensitive Group	Resistant Group	P1	rs *	P*2
	n = 56	n = 36
HE4
−	16	1	< 0.001	-	-
+	21	9
++	14	12
+++	5	14
Integrin β5
−	21	3	0.002	0.213	0.042
+	18	11
++	15	14
+++	2	8

¹P value of Chi-square

²P value of Spearman correlation compared with the expression of HE4.

^*Correlated with the expression of HE4.