Research Article

Hyperthyroidism-Associated Insulin Resistance Is Not Mediated by Adiponectin Levels

Table 1

Characteristics of control subjects and hyperthyroid subjects before and after treatment.

Control (n = 19)Hyperthyroid (n = 19)
PretreatmentPosttreatment

Age (years)36.7 ± 2.732.6 ± 1.8
Sex (F/M)17/214/5
Postmenopause3/172/14
Body Weight (kg)55.4 ± 1.953.9 ± 1.8 55.6 ± 2.0
BMI (kg/m2)*22.9 ± 0.820.6 ± 0.5 21.1 ± 0.6
Free T4 (ng/dL)*1.35 ± 0.055.22 ± 0.531.14 ± 0.09
T3 (ng/dL)*113.1 ± 5.3476.0 ± 46.9115.6 ± 8.0
TSH (μIU/mL)*1.32 ± 0.050.02 ± 0.003.47 ± 1.65
Glucose (mmol/L)4.93 ± 0.105.14 ± 0.084.79 ± 0.12
Adiponectin (ng/L)6.55 ± 0.715.57 ± 0.976.62 ± 0.80
Insulin (μIU/mL)7.80 ± 1.068.86 ± 1.025.66 ± 0.69
HOMA-IR (mM mU/L)*1.71 ± 0.232.06 ± 0.261.21 ± 0.16
TRAb (%)*44.9 ± 5.729.1 ± 5.0

Data are mean ± SEM. Comparisons among three groups were made by one-way analysis of variance. . Post-hoc test by Bonferroni; HOMA-IR: pretreatment versus posttreatment, ; control versus pre- or posttreatment, = ns.