Table 4.

Statistical analysis of immunohistochemical results of Wnt2 and Ki67 labelling index in 264 human NSCLC surgical samples

		Ki67 index quartiles
							rs	P
		First	Second	Third	Top
		≤ 11.5%	11.6-19.8%	19.9-21.5%	> 21.5%	Total
WNT2	-	20	59	10	9	98	0.316	< 0.0001
	+	8	26	28	13	75
	++	11	15	12	21	59
	+++	2	7	17	6	32
	Total	41	107	67	49	264

P values were calculated by the Spearman rank correlation test.