Table 2. Achievement of Euthyroidism.

	Euthyroid (n = 14)	Hyperthyroid (n = 22)	P
Age (years)	43.6 ± 13.7	46.3 ± 14.0	0.338
Sex (M:F)	5:9	5:17	0.641
Family history	1:13	3:19	0.952
Previous treatment history due to GD (yes:no)	5:9	5:17	0.641
Goiter size (mL)*	33.8 ± 15.5	50.0 ± 26.5	0.016
T3 (ng/dL)	215.1 ± 67.6	293.1 ± 134.9	0.108
Free T4 (ng/dL)	2.50 ± 0.96	3.68 ± 3.35	0.056
T3/free T4 ratio	87.6 ± 13.6	93.9 ± 29.3	0.399
TSH (µIU/mL)	0.05 ± 0.01	0.05 ± 0.02	0.764
TSHR-Ab (IU/L)	16.0 ± 31.5	18.8 ± 20.2	0.060
Initial MMI dose (mg/day)*	15.7 ± 7.6	21.8 ± 8.2	0.039
%uptake*	3.92 ± 2.83	8.84 ± 7.27	0.027
SUVmean (g/mL)	71.7 ± 50.6	97.4 ± 58.2	0.270
SUVmax (g/mL)	184.4 ± 123.2	244.4 ± 142.5	0.218
Functional thyroid mass (g)*	2166.2 ± 1513.5	5349.3 ± 5841.8	0.021

^*Significant variables. GD = Graves' disease, MMI = methimazole, SUV = standardized uptake valuse, TSH = thyroid-stimulating hormone, TSHR-Ab = thyroid-stimulating hormone receptor antibody