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Table 1 Demographic and clinical characteristics

From: Pattern of neural responses to verbal fluency shows diagnostic specificity for schizophrenia and bipolar disorder

 

Healthy Controls

Bipolar Disorder

Schizophrenia

p-value

Number of subjects

40

32

32

 

Men:Women

20:20

14:18

26:6

0.005

Twins:Non-twins

21:19

16:16

15:17

0.90

Caucasian:Non-caucasian

36:4

30:2

26:6

0.27

Age

35.8 (11.3)

41.4 (11.9)

35.5 (10.7)

0.09

Years of education

14.7 (2.7)

15.4 (2.8)

13.7 (2.6)

0.16

IQ

110.6 (13.4)

110.2 (12.5)

105.4 (11.1)

0.19

Disease duration

 

16.9 (12.3)

11.4 (7.3)

0.29

Performance in fMRI task

    

   Errors, easy condition

3.5 (3.1)

4.5 (4.9)

5.2 (3.7)

0.20

   Errors, hard condition

6.8 (5.1)

6.3 (6.1)

8.5 (4.2)

0.22

  1. Mean values are presented with the standard deviation in parenthesis. Age and disease duration are presented in years. Performance during the fMRI verbal fluency task was matched for the groups, and the number of errors is presented for the easy and hard conditions of the task.