Table 3.

Correlation of HIF-1α, MT and SLUG protein expression with one another in 129 PTCs

Proteins	HIF-1α				SLUG
	Low	High	rs	P-value	Low	High	rs	P-value
MT
Low	36	34	0.283	0.001	45	25	0.371	<0.001
High	14	45			16	43
SLUG
Low	32	29	0.266	0.002
High	18	50

P-values for Spearman rank test; HIF-1α, MT and SLUG were tested pairwise; P<0.05 stands for significant difference.