Table 1 Characterization of the controls, 22q11.2DS (overall and per sub-group: 22q− and 22q+), and schizophrenia groups included in the analyses: age, biological sex, and IQ.

From: Early visual processing and adaptation as markers of disease, not vulnerability: EEG evidence from 22q11.2 deletion syndrome, a population at high risk for schizophrenia

 

age

biological sex

IQ

CT 22q

M = 20.00; SD = 8.11

15 M, 21 F

M = 111.67; SD = 12.94

22q

M = 19.48; SD = 7.74

12 M, 21 F

M = 68.81; SD = 14.14

 t test

t = 0.27, df = 68.98, p = 0.78

–

t = 12.36, df = 58.82, p = 0.01

 Cohen’s d

d = 0.06

–

d = 3.16

22q−

M = 21.62; SD = 7.84

6 M, 7 F

M = 71.91; SD = 14.35

22q+

M = 20.31; SD = 6.44

4 M, 12 F

M = 68.60; SD = 13.67

 t test

t = 0.48, df = 23.19, p = 0.63

–

t = 0.59, df = 21.08, p = 0.56

 Cohen’s d

d = 0.18

–

d = 0.24

CT SZ

M = 40.34; SD = 12.73

18 M, 14 F

M = 109.27; SD = 15.13

SZ

M = 43.43; SD = 11.78

16 M, 7 F

M = 76.84; SD = 8.69

 t test

t = −0.92, df = 49.62, p = 0.36

–

t = 9.52, df = 46.67, p = 0.01

 Cohen’s d

d = 0.25

–

d = 1.72

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