Table 1 Subject characteristics

Age (years)^a

15.8 (1.3)

15.8 (1.8)

0.693

Sex (male/female)^b

9/9

9/9

1.00

Social class 1–3^b

16 (89%)

14 (78%)

0.371

Height (cm)^a

163.6 (7.1)

158.8 (8.6)

0.085

IQ^a

97.3 (11.8)

72.8 (15.3)

0.001

Duration of illness (years)

-

1.2 (0.9)

-

Positive and Negative Syndrome Scale:

   Positive score

-

13.8 (4.4)

-

   Negative score

-

19.1 (10.0)

-

   Global score

-

31.1 (10.7)

-