Table 3.

The correlation between immunohistochemical results of Wnt2 and corresponding serum Wnt2 level in 67 patients with NSCLC

		IHC staining grade
		Absent	Low	Median	High	Total	rs	P
serum	≤ 4.39	10	9	11	2	32	0.344	0.004
level	> 4.39	3	9	13	10	35
	Total	13	18	24	12	67

P values were calculated by the Spearman rank correlation test.