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Table 1 Demographics of patients and controls

From: Theory of mind and neurocognition in early psychosis: a quasi-experimental study

 

Patients

Healthy controls

Significance test

Males:females

22:1

17:2

χ2(1) = .599

Age (years)

20.91 ± 1.83 (18-25)

20.79 ± 1.81 (17-24)

t(40) = .219

Education (years)

11.43 ± 2.02 (8-18)

12.82 ± 1.94 (9-16)

t(40) = 2.247*

IQ

96.65 ± 8.41

103.42 ± 9.32

t(40) = 2.472*

Age of illness onset (years)

19.91 ± 1.95 (16-24)

 

Duration of illness (weeks)

50.74 ± 29.50 (12-104)

 

SAPS Positive Symptoms

1.25 ± .94 (0.00-3.75)

 

SANS Negative Symptoms

2.18 ± .72 (0.60-3.80)

 

Social Functioning

50.87 ± 12.12 (30-80)

 

Quality of Life

58.22 ± 22.78 (20-120)

 
  1. Note. Data expressed as means ± SD (range in parentheses). *p < .05. Positive and negative symptoms assessed using the Scales for the Assessment of Positive and Negative Symptoms of Schizophrenia (SAPS and SANS: Andreasen, 1983, 1984). The overall Positive and Negative rating is the average of global ratings on the SAPS and SANS respectively (‘0’ = absent; ‘1’ = questionable; ‘2’ = mild; ‘3’ = moderate; ‘4’ = marked; ‘5’ = severe).