Table 2. Association between 14-3-3ζ, TGFβR1, and pSMAD3 in 81 lung SCC tissues.

		TGFβR1	pSMAD3
14-3-3ζ	Kendall's tau-b	0.279**	0.216*
	Sig. (2-tailed)	.005	.033
TGFβR1	Kendall's tau-b	1	0.313**
	Sig. (2-tailed)	NS	.002

^*Correlation is significant at the 0.05 level (2-tailed).

^**Correlation is significant at the 0.01 level (2-tailed).