Table 2: Characteristics of patients with Graves’ disease, type 2 deiodinase polymorphism genotypes.

D2 gene genotypes
TT ( )AT ( )AA ( )

Genotype frequency0.5890.3330.078
Age (years)
Sex (male/female)13/9311/490/12
TV (cm3) * *
fT3 (pmol/L) * *
fT4 (pmol/L)
TSH (mU/L) *
Heart rate (bpm) *,**
Blood pressure (mmHg) / / /

* compared to the patients with TT genotype.
** compared to the patients with AT and TT genotypes.