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Table 1 Summary of PWS patient characteristics and overview of their laboratory and PSG results

From: Evaluation of the hypothalamic-pituitary-adrenal axis and its relationship with central respiratory dysfunction in children with Prader-Willi syndrome

#

Age (y) at start of GH

GH Status

Age (y) at the test

ITT/GT

Peak cortisol (μg/dl)

Cortisol increase (μg/dl)

Δ (y) age at PSG and age at test

BMI z-score at PSG

CA index

OA index

Tonsil-lectomy

1

1,9

normal

1,7

GT

30,78

23,07

-

-

-

-

-

2

2

GHD

1,8

GT

41,98

32,17

−0,76

−0.5

0,7

0

1

3

3,8

normal

2,9

GT

26,5

9,0

-

-

-

-

-

4

5

normal

3,3

GT

20,6

12,6

-

-

-

-

-

5

3,4

GHD

3,4

GT

39,3

27,3

0,34

3.6

0,1

15

1

6

5,4

GHD

5,4

GT

31,4

18,7

1,71

2.9

0,1

13,4

1

7

12,1

normal

12

GT

20,2

15,84

-

-

-

-

-

8

8,5

GHD

14,4

ITT

16,6

9,97

−1,82

1.4

0,6

0,4

3

9

1

normal

0,8

GT

38,32

18,75

−0,22

−2.1

1,9

0,1

3

10

4,2

GHD

3,5

ITT

33,11

13,07

0,5

5.7

5,1

0

3

11

3,8

GHD

3,7

GT

47,1

19,9

0,05

−0.2

0,7

0,5

1

12

5

normal

4,4

ITT

23,45

16,4

-

-

-

-

-

13

5,2

normal

4,7

ITT

30,83

20,07

-

-

-

-

-

14

6,9

normal

5,5

GT

26.3

19.44

-

-

-

-

-

   

5,6

ITT

24.0

16.92

-

-

-

-

-

15

2,9

normal

5,9

GT

31,5

24,69

−3,08

−0.8

0

4,2

3

16

6,2

GHD

6

GT

26,34

18,28

0

0.9

2,8

0,3

3

17

5,5

GHD

7,7

ITT

26,82

22,9

0,27

3.9

0,6

0,2

2

18

NA

GHD

9,4

GT

23,6

17,09

-

-

-

-

-

19

13,9

normal

12,2

ITT

29,3

12,5

-

-

-

-

-

20

5,4

GHD

14,7

GT

20,88

17,33

−1,02

3.1

1,2

0,5

3

  1. y years, GH Growth Hormone, ITT insulin tolerance test, GT glucagon test; cortisol increase was calculated between the lowest cortisol and the highest cortisol level during the stimulation test, PSG polysomnography, BMI body mass index, CA index central apnea index (#/hour), OA index obstructive apnea index (#/hour), NA not applicable; tonsillectomy:1 = performed after PGS, 2 = before PGS, 3 = no tonsillectomy