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Table 1 Sociodemographics of patients with schizophrenia and healthy subjects

From: Association between two distinct executive tasks in schizophrenia: a functional transcranial Doppler sonography study

 

Patients with Schizophrenia (n = 22)

Healthy Individuals (n = 20)

χ2 or t

Sociodemographic variables

   

   Age (yrs)

34.9 (7.5)

31.0 (7.8)

1.70

   Gender (male/female)

15/7

9/11

2.30

   Education (yrs)

14.0 (3.5)

16.6 (2.6)

2.67*

   Parental education

11.7 (3.4)

12.8 (3.0)

1.16

   Premorbid IQ1

106.6 (14.6)

116.7 (17.5)

2.02*

Patient's history

   

   Age at onset of illness (yrs)

24.8 (6.5)

N/A

 

   Duration of illness (yrs)

10.4 (7.6)

N/A

 

Symptom severity

   

   BPRS total score (average)

42.3 (11.9)

N/A

 

   CGI

4.4 (0.9)

N/A

 

Extrapyramidal side effects

   

   EPS total score

6.0 (4.2)

N/A

 

   BAS score (global)

1.0 (1.1)

N/A

 

Average medication dose

   

   Antipsychotic (cpe2)

524.8 (239.3)

N/A

 
  1. Values are mean (SD)
  2. *P < 0.05
  3. 1MWT-A: Mehrfachwahl-Wortschatz-Test [48], equivalent of the National Adult Reading Test (NART) [49]
  4. 2average chlorpromazine-equivalent units
  5. Abbreviations: BAS: Barnes Akathisia Scale; BPRS: Brief Psychiatric Rating Scale; EPS: Extrapyramidal Rating Scale; N/A: not applicable; yrs: years