Table 1.

The correlations between the expressions of NLK, TCF4 and β-catenin in lung cancers

	n	NLK expression
		Low	High	Correlation coefficient	P value
TCF4 expression				-0.222	0.020
Low	42	5	37
High	67	21	46
β-catenin membranous expression				0.297	0.002
+	30	1	29
-	79	25	54
β-catenin cytoplasmic expression				0.065	0.501
Low	28	8	20
High	81	18	63
β-catenin nuclear expression				-0.107	0.269
+	14	5	9
-	95	21	74