Skip to main content

Table 2 Discriminant function analysis controls (CON) vs. clinical high risk (CHR)

From: Neurophysiological differences between patients clinically at high risk for schizophrenia and neurotypical controls – first steps in development of a biomarker

(1) Standard analysis

Group

Percent

Number of subjects classified

Correct

CON

CHR

 CON

88.6

31

4

 CHR

95.5

1

21

 TOTAL

91.2

  

(2) Jackknife analysis

Group

Percent

Number of subjects classified

Correct

CON

CHR

 CON

85.7

30

5

 CHR

86.4

3

19

 TOTAL

86.0

  

(3) Eight factors chosen to make discrimination, in order of choice

  

Overall estimated significance

 

1. COH 26

Wilk’s lambda = 0.419

 
 

2. COH 23

DF = 8, 48

F = 8.313 p = 0.00001

 

3. COH 18

  
 

4. FFT 19

  
 

5. COH 13

  
 

6. COH 28

  
 

7. FFT 25

  
 

8. FFT 34

  
  1. COH, Coherence factor; FFT, Spectral factor; DF, Degrees of freedom for F test; F, F statistic; P, Estimated probability