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

Table 3

Correlations somatometric measures with basic thyroid hormone levels.

Correlations	N	Pearson		Spearman
		Coefficient	P value	Coefficient	P value
BMI
Female
Age	594	0.21	<0.001*	0.25	<0.001*
FT3	339	0.04	0.445	0.08	0.161
FT4	393	−0.06	0.255	−0.04	0.442
TSH	616	−0.04	0.265	−0.04	0.265
TT3	432	0.15	0.002*	0.18	<0.001*
TT4	474	0.16	<0.001*	0.15	0.001*
Male
Age	108	0.03	0.723	−0.01	0.880
FT3	62	0.16	0.219	0.22	0.082**
FT4	74	0.12	0.317	0.07	0.559
TSH	118	−0.15	0.103	−0.17	0.069**
TT3	84	0.06	0.565	0.11	0.308
TT4	89	0.16	0.128	0.12	0.273
Weight
Female
Age	594	0.05	0.212	0.10	0.016*
FT3	339	0.02	0.676	0.09	0.098**
FT4	393	−0.04	0.456	0.00	0.929
TSH	616	−0.03	0.481	−0.05	0.229
TT3	432	0.16	0.001*	0.22	<0.001*
TT4	474	0.17	<0.001*	0.15	0.001*
Male
Age	108	−0.11	0.238	−0.17	0.079**
FT3	62	0.14	0.275	0.23	0.072**
FT4	74	−0.05	0.677	−0.08	0.513
TSH	118	−0.14	0.122	−0.14	0.120
TT3	84	0.04	0.718	0.09	0.424
TT4	89	0.05	0.636	0.03	0.807
Height
Female
Age	594	−0.38	<0.001*	−0.40	<0.001*
FT3	339	−0.02	0.672	0.01	0.915
FT4	393	0.05	0.319	0.05	0.295
TSH	616	0.02	0.585	−0.01	0.848
TT3	432	0.04	0.375	0.05	0.289
TT4	474	0.01	0.906	0.02	0.678
Male
Age	108	−0.28	0.003*	−0.30	0.002*
FT3	62	−0.01	0.940	0.03	0.814
FT4	74	−0.31	0.007*	−0.27	0.021*
TSH	118	−0.05	0.570	−0.03	0.763
TT3	84	−0.05	0.678	−0.04	0.746
TT4	89	−0.18	0.098**	−0.22	0.041*

 *Statistically significant correlations.
**Indicative correlations.