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Table 1 Demographics and clinical symptom scores (± standard deviation)

From: Correlating anterior insula gray matter volume changes in young people with clinical and neurocognitive outcomes: an MRI study

Demographic variable/clinical symptom score

Healthy (n = 39)

Patients (n = 133)

Significance test

Female, percentage (f/m)

66.7% (26/13)

62.4% (83/50)

χ2(1, n = 172) = 0.24

Age, years#

23.8 ± 2.4

22.3 ± 3.7

t(95.2) = 2.95**

Predicted IQ

105.3 ± 8.2

104.1 ± 8.2

t(145) = 0.73

Education, years

15.1 ± 1.9

12.6 ± 2.4

t(161) = 33.08**

SOFAS

 

61.6 ± 12.5

 

K-10 Total

 

27.6 ± 8.0

 

HDRS Total

 

14.1 ± 7.4

 

BPRS Total

 

42.3 ± 10.2

 
  1. Significant differences in gender were evaluated using a Pearson Chi-square test. Independent samples t-tests examined differences in age, predicted IQ and years of education. ** p < .01 (2-tailed) #As Levene’s test for equality of variance was significant (p < .05) for age, results that did not assume equal variance were used.