Correlation between Body Mass Index and Thyroid Function in Euthyroid Individuals in Greece

Table 4

One-way ANOVA by BMI level, for each thyroid parameter.

Mean values for	BMI class				ANOVA	Kruskal-Wallis	Tukey-post hoc test
	<25	25–30	30–35	>35	F-test; P value	P value	Statistically significant differences
TT3	1.092	1.114	1.105	1.186	0.037	0.003	<25 versus >35
TT4	7.191	7.092	7.346	7.800	<0.001	0.006	<25 versus >35; 25–30 versus >35
FT3	2.888	2.779	2.891	2.924	0.120	0.117	—
FT4	1.265	1.152	1.089	1.077	0.265	0.603	—
TSH	3.004	2.814	2.798	2.510	0.221	0.468	—