- °Continuous data are expressed as mean ± SD or as median (interquartile range; IQR) according to the distribution
- TSH thyrotropin, FT4 free thyroxine, TPOAb thyroid peroxidase autoantibodies, LT4 levothyroxine, NA not applicable
- *p-value of 0.025 (p<0.05/2) was considered as significant, taking two comparisons into account