Table 5. Free triiodothyronine; free tyroxine (free T4); Thyroid Stimulating Hormone (TSH); and leptin serum concentrations.

Groups	Variables
	Free T3 (pmol/L)	Free T4 (pmol/L)	TSH (pmol/L)	Leptin (pmol/L)
C×OB	0.15±0.09×0.12±0.03	46.2±1.6×45.6±1.9**	14.2±0.9×12.7±1.3	3.9±0.9×9.2±1.9*
C×OR	0.15±0.09×0.08±0.02*	46.2±1.6×37.1±1.7**	14.2±0.9×10.1±1.9*	3.9±0.9×3.8±0.6
OB×OR	0.12±0.03×0.08±0.02	45.6±1.9×37.1±1.7**	12.7±1.3×10.1±1.9*	9.2±1.9×3.8±0.6*
OB×OS	0.12±0.03×0.22±0.4**	45.6±1.9×37.7±1.5**	12.7±1.3×10.9±1.2*	9.2±1.9×2.5±0.7*
OR×ORS	0.08±0.02×0.22±0.4**	37.1±1.7×37.83±1.6	10.1±1.9×11.1±1.0	3.8±0.6×0.17±0.06*
OS×ORS	0.22±0.4×0.22±0.4*	37.7±1.5×37.8±1.6	10.9±1.2×11.1±1.0	2.5±0.7×0.17±0.06

Free T3. free triiodothyronine; free T4. free tyroxine; TSH. Thyroid Stimulating Hormone; C. control; OB. obese; OR. calorie-restricted obese; OS: obese with 25 µg T₃/100 g BW; ORS: calorie-restricted obese rats with 25 µg T₃/100 g BW. Data expressed as mean ± standard deviation. ANOVA was utilized. complemented by Bonferroni's test.

^* = p<0.05 and

^** = p<0.01.