Effect of treatment of overt hypothyroidism on insulin resistance

Table 1 Laboratory and anthropometric parameters in hypothyroid patients versus euthyroid subjects

Parameter	Hypothyroid(mean ± SD)	Euthyroid(mean ± SD)	P-value
Age (yr)	33.2 ± 10.4	35.7 ± 9.1	0.444
BMI	31.1 ± 6.8	32.2 ± 6.7	0.607
TSH	22.4 ± 36.2	2.9 ± 1.5	0.010
FT4	11.2 ± 4.0	13.7 ± 2.1	0.013
FT3	4.4 ± 1.0	4.5 ± 0.5	0.557
FPG	93.5 ± 14.7	89.8 ± 13.9	0.432
FI	10.6 ± 8.1	11.8 ± 6.3	0.621
IR	2.5 ± 2.1	2.6 ± 1.5	0.883
TG	144.8 ± 85.4	97.9 ± 36.1	0.050
TCH	195.0 ± 37.9	189.0 ± 29.9	0.586

BMI: Body mass index; TSH: Thyrotropin; FPG: Fasting plasma glucose; FI: Fasting insulin; IR: Insulin resistance; FT4: Free tetraiodothyronine; FT3: Free triiodothyronine; TG: Triglycerides; TCH: Total cholesterol.