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Table 1 Baseline characteristics of GD patients

From: Comparison of Five TSH-Receptor Antibody Assays in Graves’ disease: results from an observational pilot study

Numbers (%)

GD no relapse

GD relapse

P - value§

Sex

65 (49.6%)

18 (13.7%)

 

 Female

55 (85%)

15 (83%)

0.89

 Male

10 (15%)

3 (17%)

 

Age (years), mean ± SD

52 ± 13

47 ± 13

0.13

BMI (kg/m2), mean ± SD

24 ± 4.6

25 ± 3.7

0.23

Smokers

9 (25%)

1 (20%)

0.81

Treatment duration (months), median (IQR)

19 (18, 21)

18 (17, 21)

0.81

Follow up duration after ATD stop (months), median (IQR)

11 (3, 36)

1 (0.5, 11)

<  0.01

Thyroid volume (ml), median (IQR)

14 (11, 18)

14 (9.6, 16)

0.71

Goiter size (WHO grade, 0-III)

 0

33 (62%)

10 (67%)

0.84

 I

12 (23%)

4 (27%)

 

 II

7 (13%)

1 (7%)

 

 III

1 (2%)

0 (0%)

 

Endocrine orbitopathy (N/%)

18 (28%)

7 (39%)

0.36

fT4 (pM), median (IQR)

30 (21, 36)

35 (20, 55)

0.31

T3 (pM), median (IQR)

3.5 (2.5, 4.4)

2.9 (2.5, 6.4)

0.90

fT3 (pM), median (IQR)

10 (7.7, 17)

21 (14, 29)

0.06

TPO-Ab (U/l), median (IQR)

89 (49, 475)

120 (90, 357)

0.49

Routine TRAb assaya (U/L), median (IQR)

5.4 (2.8, 10)

12 (3.5, 27)

0.10

IMMULITE TSI (Cut-off 0.55 U/L), median (IQR)

3.4 (1.6, 7.5)

5.6 (3.6, 17)

0.04

BRAHMS TRAK (Cut-off 1.8 U/L), median (IQR)

4.6 (2.6, 11)

8.6 (5.1, 20)

0.02

EliA anti-TSH-R (Cut-off 2.9 U/L), median (IQR)

4.4 (2.9, 9.6)

7.4 (4.4, 13)

0.04

RSR TRAb Fast (Cut-off 1.0 U/L), median (IQR)

4.3 (2.7, 7.5)

6.9 (4.1, 16)

0.06

RSR-bioassay STIMULATION (Cut-off 150%), median (IQR)

461 (192, 835)

536 (291, 1419)

0.26

Additional autoimmune disease:

  

0.51

GIT (IBD, CD, pernicious anemia)

1

1

 

T1DM

1

0

 

Other

1

0

 
  1. aOriginally, study centers used different commercially available assays with different cut-offs, for details please see Additional file 1: Table S1
  2. §categorical and binary variables were compared by Pearson’s chi-squared test, continuous, non-normally distributed variables were compared by Wilcoxon rank-sum test; P-values not adjusted to multiple testing