Suppressing Effect of Free Triiodothyronine on the Negative Association between Body Mass Index and Serum Osteocalcin Levels in Euthyroid Population

Table 2

Partial correlation analysis among serum thyroid hormones levels, serum osteocalcin levels, and BMI.

Variables	FT3	FT4	FT3/FT4	TSH	OCN
FT4	0.190	—	—	—	—
FT3/FT4	0.537	−0.716	—	—	—
TSH	−0.003	−0.182	0.164	—	—
OCN	0.104	−0.023	0.091	−0.016	—
BMI	0.080	−0.111	0.157	0.051	−0.171

Note. Age and gender were adjusted. , . Abbreviations: BMI, body mass index; FT3, free triiodothyronine; FT3/FT4, free triiodothyronine to free thyroxine ratio; FT4, free thyroxine; OCN, osteocalcin; TSH, thyroid-stimulating hormone.