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. Author manuscript; available in PMC: 2014 Apr 14.
Published in final edited form as: Am J Psychiatry. 2008 Jun 2;165(8):1006–1014. doi: 10.1176/appi.ajp.2008.07060945

TABLE 1.

Demographic and Clinical Characteristics of Schizophrenia Patients and Healthy Comparison Subjects

Characteristic Group
Schizophrenia Patients (N=25) Healthy Comparison Subjects (N=24)

Mean SD Mean SD
Age (years) 19.6 3.80 21.6 4.24
Parental education (years) 15.0 2.37 15.1 2.88
Participant education (years) 12.4 2.71 14.6 4.02
WAIS IQ scorea 98.2 13.93 112.4 8.46
Symptom severity (scale scores)
 BPRS 46.5 8.95 -- --
 SANS 30.1 13.31 -- --
 SAPS 30.4 16.99 -- --
 Strauss Carpenter Outcome Scale 9.9 2.84 -- --
 Global Assessment Scale 53.7 10.15 -- --

N % N %

Male 17 68 13 54
Right-handed 24 96 23 96
Antipsychotic medication
 Atypical 16 64 -- --
 Typical 0 0 -- --
 Unmedicated 9 36 -- --
History of substance abuse or dependence 7 28 3 12.5
a

Significant between-group difference (p≤0.01).