Table 2.

Correlations between fasting thyroid hormone levels, body composition, blood markers and resting energy expenditure in total participants.

Measure	FT3 (pmol/L)		FT4 (pmol/L)		TSH (uIU/mL)
	Coefficient (r)	p-value	Coefficient (r)	p-value	Coefficient (r)	p-value
BMI (kg/m2)	0.32	0.18	−0.04	0.87	−0.21	0.4
Lean body mass (kg)	0.49	0.04	0.31	0.20	0.06	0.82
% fat mass	−0.21	0.38	−0.56	0.01	−0.29	0.24
Visceral fat	0.47	0.07	−0.05	0.85	−0.14	0.60
REE (kcal/day)	0.55	0.01	0.26	0.28	−0.02	0.92
Glucose (mmol/L)	0.32	0.19	0.46	0.047	−0.24	0.33
Triglyceride (mmol/L)	0.56	0.01	−0.13	0.59	0.15	0.55

N = 19; TSH, thyroid stimulating hormone; FT4, free thyroxine; FT3: free triiodothyronine; BMI, body mass index; REE, resting energy expenditure.