Table 2 Demographic variables,clinical characteristics and whole brain tissue volumes of the subjects

Age

22.85 ± 3.89

22.26 ± 2.53

NS

BMI (kg/m²)

20.46 ± 2.80

20.52 ± 1.52

NS

Duration of illness (years)^a

2.92 ± 2.35

–

–

Education (years)

15.53 ± 2.43

16.09 ± 2.45

NS

CSES global score^a

33.24 ± 3.56

–

RSES global score^a

25.76 ± 5.47

–

 Grey matter volume (ml)

660.56 ± 34.17

662.97 ± 37.11

NS

 White matter volume (ml)

525.68 ± 39.46

526.02 ± 48.38

NS

 CSF volume (ml)

227.69 ± 22.82

212.68 ± 24.09

< 0.05

 Total intracranial volume (ml)

1413.94 ± 78.41

1401.67 ± 91.04

NS