Table 1. Demographic and clinical characteristics of the patients.
| Parameters | Values | |
|---|---|---|
| Medical records of the participants | 205 | |
| Age (years) | Minimum | 25 |
| Maximum | 65 | |
| Mean±SD | 50.25±8.47 | |
| Gender | Male | 38 (19) |
| Female | 167 (81) | |
| *Serum thyroid-stimulating hormone level (mIU/L) | 1.55±3.65 | |
| Family history | Yes | 55 (27) |
| No | 150 (73) | |
| **Serum free thyroxine level (ng/dL) | 2.91±3.42 | |
| ***Serum free triiodothyronine level (pg/dL) | 675±85 | |
| ****Serum calcitonin level (ng/dL) | Male | 10.12±1.28 |
| Female | 8.29±1.12 | |
| *****Serum anti-thyroglobulin antibody level (IU/mL) | 35±12 | |
| ******Serum anti-thyroperoxidase antibody level (IU/mL) | 65±22 | |
| *******Serum anti-thyroid stimulating hormone receptor antibody level (IU/L) | 3.12±0.34 | |
| #Autoimmune thyroid diseases | Positive | 76 (37) |
| Negative | 129 (63) | |
Categorical variables are presented as frequency (percentage) and continuous variables as mean±SD.
*
Normal value: 0.4-4 mIU/L.
**
Normal value: 0.7-1.8 ng/dL for adults; 0.5-1 ng/dL for pregnant women.
***
Normal value: 260-480 pg/dL.
****
Normal value: <8.8 ng/dL for men; <5.8 ng/dL for women.
*****
Normal value: <20 IU/mL.
******
Normal value: <35 IU/mL.
*******
Normal value: <1.75 IU/L.
#At least two-times higher than the normal serum levels of anti-thyroglobulin antibody, anti-thyroperoxidase antibody, and/or anti-thyroid stimulating hormone receptor antibody.