Table 7. Expression of Wnt signaling pathway proteins in each grade of IP

Markers	IHC grade	IP Grade				Total	Spearman’s ρ	p-value
		I (n=28)	II (n=37)	III (n=37)	IV (n=13)
Wnt-1	0	0	0	0	0	0	0.142	0.130
	1+	12	21	9	6	48
	2+	12	16	26	2	56
	3+	4	0	2	5	11
β-Catenin	0	8	1	1	2	12	0.427	<0.001
	1+	11	16	6	1	34
	2+	9	19	20	8	56
	3+	0	1	10	2	13
Cyclin D1	0	0	0	0	0	0	0.355	<0.001
	1+	11	6	5	1	23
	2+	16	25	22	6	69
	3+	1	6	10	6	23
Dvl-1	0	7	11	0	2	20	0.380	<0.001
	1+	14	18	15	3	50
	2+	7	8	17	5	37
	3+	0	0	5	3	8

Adopted from Jung et al.¹⁸⁾ with permission of Sage.