Table 3: Duration of disease in patients with Graves’ disease, type 2 deiodinase gene Thr92Ala polymorphism genotypes.

D2 gene genotypes
T/T ( )A/T ( )A/A ( )

Total duration of the disease (months)32.2 (7.9; 131.8)
16.8 (4.2; 67.1)
14.0 (5.6; 35.2)
0.007
Duration of overt thyrotoxicosis (months)15.5 (5.9; 40.6)10.9 (4.8; 25.0)
10.0 (4.2; 24.1)
0.04