Table 2 Demographic and MRI measures

Demographic measures

Age

12.58

4.96

12.65

5.04

14.23

5.28

12.62

4.98

10.16

7.24

13.28

4.43

12.18

5.51

Gender (M/F)

29/0

99/93

20/0

58/0

5/0

6/0

0/30

Socioeconomic status (SES)

56.75^a

22.14

48.41

18.20

46.40

22.54

54.01

21.50

54.80

20.94

64.66^a

18.08

41.41

17.13

Handedness (R/L/M)

22/4/3

164/12/16

18/1/1

45/6/7

4/0/1

6/0/0

24/2/4

Full-scale IQ (FSIQ)

90.58^a

15.41

114.50

12.56

86.52^a

12.71

96.78^a

16.65

77.33^a

4.72

55.50^a

5.91

95.30^a

14.42

Verbal IQ (VIQ)

87.58^a

15.12

114.14

14.23

80.31^a

12.32

94.70^a

16.24

73.33^a

5.85

59.25^a

8.50

95.20^a

14.52

Performance-IQ (PIQ)

95.62^a

17.01

111.88

11.59

95.94^a

12.43

98.96^a

16.99

86.66^a

7.02

57.25^a

3.30

96.16^a

15.00

Testosterone replacement therapy (TRT; currently on/ever on/none)

0/0/0

0/0/192

7/7/13

19/23/35

1/2/3

3/4/2

0/0/0

MRI measures (cc3)

Intracranial volume (ICV)

1.53e +06^a

1.31e +05

1.46e +06

1.29e +05

1.43e +06

1.10e +05

1.42e +06

1.42e +05

1.36e +06

4.53e +04

1.24e +06^a

1.03e +05

1.29e +06^a

1.25e +05

Gray matter volume (GM)

8.81e +05^a

8.69e +04

8.43e +05

8.67e +04

8.17e +05

8.24e +04

8.14e +05^a

6.74e +04

8.08e +05

5.83e +04

7.21e +05^a

7.98e +04

7.55e +05^a

8.77e +04

White matter volume (WM)

5.18e +05^a

6.27e +04

4.89e +05

5.91e +04

4.91e +05

5.82e +04

4.75e +05

7.52e +04

4.46e +05

3.51e +04

3.99e +05^a

1.23e +04

4.20e +05^a

4.20e +05^a