Table 1 Demographic characteristics of the participants.

From: Machine-learning classification using neuroimaging data in schizophrenia, autism, ultra-high risk and first-episode psychosis

Variables mean (SD)

ASD [N = 36]

Schi [N = 64]

TD [N = 106]

UHR [N = 26]

FEP [N = 17]

P value [ASD/Schi)

P value [ASD/TD]

P value [Schi/TD]

Age [years]

30.1 (6.7)

29.8 (10.1)

29.1 (6)

20.9 (3.1)

23.5 (5.2)

0.87

0.42

0.59

Sex [M/F]

36/0

37/27

59/47

15/11

12/5

<0.001

<0.001

0.78

Handedness [R/L/M]

[28/3/5]

[55/1/8]

[104/0/2]

[23/0/3]

[16/0/1]

0.239

<0.001

0.007

ADI-R

        

Social

14.7 (6.2)

       

Communication

11.9 (3.8)

       

RRB

4.2 (2)

       

AQ

        

SS

8.1 (2.1)

       

AS

7.5 (1.8)

       

AD

6.2 (2.3)

       

Communication

7.7 (2.2)

       

Imagination

7 (2)

       

PANSS

        

PS

 

14.5 (4.9)

 

12.9 (3.9)

12.9 (4.8)

   

NS

 

18.8 (6)

 

16.3 (6.4)

17.9 (4.8)

   

GS

 

34.2 (9.1)

 

31.8 (8.9)

33.4 (8.5)

   

GAF

 

47.2 (14.8)

 

54.3 (18.6)

48.4 (14)

   
  1. ASD autism spectrum disorder, TD typically developing, Schi schizophrenia, UHR ultra-high risk for psychosis, FEP first-episode psychosis, SD standard deviation, N sample size, M male, F female, R right, L left, M mixed, ADI-R autism diagnostic interview- revised, RRB restricted and repetitive behavior, AQ autism quotient, SS social skills, AS attention switching, AD attention to details, PANSS positive and negative syndrome scale, PS positive symptoms, NS negative symptoms, GS general symptoms, GAF global assessment of functioning, P value set at P = 0.05.
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