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. Author manuscript; available in PMC: 2010 Nov 23.
Published in final edited form as: Biol Psychiatry. 2010 Aug 5;68(7):657–666. doi: 10.1016/j.biopsych.2010.06.002

Table 1.

Demographics and Clinical Characteristics of the Sample

Schizophrenia (n = 18) Healthy Control Subjects (n = 33) Statistics
Sex (male/female) 15/3 21/12 λ2 = 2.17 ns
Handedness 15/3 31/2 t(49) = 1.21 ns
Age (years), Mean (SD) 35.3 (10.1) 35.9 (13.5) t(49)= .14 ns
Estimated Premorbid Full-Scale IQ (NART), Mean (SD) 104.09 (9.9) (n = 29) 111.47 (5.5) t(45) = 3.2 .002
PANSS Total (n = 14) 58.28 14.4
PANSS Positive (n = 14) 16.35 4.41
PANSS Negative (n = 14) 12.14 5.14
PANSS General (n = 14) 29.78 8.06

NART, National Adult Reading Test; PANSS, Positive and Negative Syndrome Scale.