Table 2.
Relationship between thyroid volume and different variables in subjects with and without thyroid nodules.
| Characteristic | Thyroid volume | |||
|---|---|---|---|---|
| Nodular thyroid | Nonnodular thyroid | |||
| ρ | p value | ρ | p value | |
| TSH (mU/L) | −0.43 | <0.001 | −0.17 | 0.012 |
| FT4 (pmol/L) | 0.12 | 0.252 | 0.11 | 0.099 |
| ATPO (kU/L) | −0.05 | 0.613 | 0.02 | 0.75 |
| Insulin (mU/L) | 0.14 | 0.171 | 0.21 | 0.002 |
| FPG (mmol/L) | 0.22 | 0.03 | 0.27 | <0.001 |
| HOMA-IR | 0.17 | 0.086 | 0.26 | <0.001 |
| Leptin (pg/L) | −0.29 | 0.004 | −0.12 | 0.083 |
| TC (mmol/L) | 0.02 | 0.83 | −0.02 | 0.742 |
| HDL (mmol/L) | −0.3 | 0.003 | −0.37 | <0.001 |
| LDL (mmol/L) | 0.11 | 0.275 | 0.13 | 0.062 |
| TG (mmol/L) | 0.12 | 0.238 | 0.24 | <0.001 |
| SBP (mmHg) | 0.19 | 0.066 | 0.14 | 0.037 |
| DBP (mmHg) | 0.29 | 0.004 | 0.14 | 0.036 |
| WC (cm) | 0.33 | 0.001 | 0.41 | <0.001 |
| BMI (kg/m2) | 0.22 | 0.026 | 0.3 | <0.001 |
| Smoking | 0.3 | 0.003 | 0.21 | 0.001 |
ATPO: antithyroid peroxidase antibodies; BMI: body mass index; DBP: diastolic blood pressure; FPG: fasting plasma glucose; FT4: free thyroxine; HDL: high-density lipoprotein; HOMA-IR: insulin resistance index; LDL: low-density lipoprotein; SBP: systolic blood pressure; TC: total cholesterol; TG: triglycerides; TSH: thyroid-stimulating hormone; WC: waist circumference; ρ: correlation coefficient.