Table 1

Subject characteristics

Variable
Healthy controls
(n = 18)
EOS patients
(n = 18)
p Value

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 1–3b
16 (89%)
14 (78%)
0.371
Height (cm)a
163.6 (7.1)
158.8 (8.6)
0.085
IQa
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)
-

Values are given as the mean (SD), except for sex and social class.

aTwo-tailed t test; bχ2 test.

EOS, early onset schizophrenia; SD, standard deviation.

Yoshihara et al. Annals of General Psychiatry 2008 7:25   doi:10.1186/1744-859X-7-25

Open Data