Table 1 Comparison of the main characteristics and levels of TSI and TRAb among groups

n

227

29

43

37

Females/Males (n)

174/53

22/7

31/12

27/10

0.905

Age (y)

39.05 ± 13.27

40.48 ± 10.65

45.16 ± 13.89

37.30 ± 9.96

0.022

TRAb (IU/L)

8.79 (5.09–18.24)

0.31 (0.30–0.46)

0.39 (0.30–0.52)

0.31 (0.30–0.43)

 < 0.001

TRAb

 Positive

216 (95.15%)

1 (3.45%)

0 (0.00)

0 (0.00)

 < 0.001

 Negative

11 (4.85%)

28 (96.55%)

43 (100.00%)

37 (100.00%)

TSI (IU/L)

7.10 (3.13–16.65)

0.10 (0.10–0.10)

0.10 (0.10–0.10)

0.10 (0.10–0.10)

 < 0.001

TSI

 Positive

220 (96.92%)

2 (6.90%)

2 (4.65%)

0 (0.00)

 < 0.001

 Negative

7 (3.08%)

27 (93.10%)

41 (95.35%)

37 (100.00%)