Table 2 Serum concentrations of thyroid hormones, TSH and TRAb in Graves’ patients during 24 years of continuous long-term MMI treatment

Number

27

27

27

27

27

16

11

Serum fT4 (pmol/L)^*

39.1 ± 9.2

16.9 ± 2.3

16.3 ± 2.3

16.2 ± 2.4

16.1 ± 2.5

16.3 ± 2.4

16.2 ± 2.2

Serum T3 (ng/dL)^*

401 ± 126

135 ± 18

127 ± 18

129 ± 21

125 ± 18

123 ± 17

124 ± 17

 Mean ± SD

All < 0.1

1.5 ± 1.6

2.5 ± 1.6

2.6 ± 1.6

2.5 ± 1.0

2.4 ± 1.2

2.7 ± 0.7

 Median (IQR)

All < 0.1

0.6 (0.2–2.4)

2.4 (1.0–3.1)

2.5 (1.5–3.3)

2.5 (1.9–3.1)

2.5 (1.8–2.9)

2.8 (2.6–3.1)

 Mean ± SD

14.0 ± 7.0

1.2 ± 0.7

1.2 ± 0.6

1.1 ± 0.6

1.0 ± 0.6

1.0 ± 0.5

0.9 ± 0.4

 Median (IQR)

–

1.2 (0.6–1.4)

–

1.1 (0.5–1.4)

1.0 (0.4–1.3)

–

0.9 (0.4–1.2)