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Table 2 Models for primary sample. Uncorrected p-values are reported. One outlier was removed from the lateral ventricle model.

From: Evidence against the “normalization” prediction of the early brain overgrowth hypothesis of autism

CHOP Models

Predictors

Estimates

std. Beta

p

partial η2

Estimates

std. Beta

p

partial η2

Estimates

std. Beta

p

partial η2

 

TBV

GMV

WMV

Intercept

1034.67

-0.35

<0.001

0.69

698.45

-0.34

<0.001

0.77

337.69

-0.29

<0.001

0.48

IQ

1.52

0.25

<0.001

0.07

0.90

0.25

<0.001

0.08

0.62

0.20

<0.001

0.04

Age

-1.80

-0.06

0.143

0.00

-6.13

-0.33

<0.001

0.15

4.29

0.27

<0.001

0.09

Sex

85.43

0.73

<0.001

0.20

48.28

0.69

<0.001

0.21

37.13

0.62

<0.001

0.15

Diagnosis

-206.92

-0.25

<0.001

0.05

-130.81

-0.27

<0.001

0.07

-75.89

-0.17

<0.001

0.03

IQ*Diagnosis

1.67

0.28

<0.001

0.04

1.05

0.29

<0.001

0.05

0.62

0.20

0.001

0.02

R2 / R2 adjusted

0.290 / 0.282

0.377 / 0.370

0.280 / 0.272

 

Cortical GMV

Cortical WMV

 

Intercept

532.98

-0.33

<0.001

0.72

314.27

-0.30

<0.001

0.47

    

IQ

0.75

0.25

<0.001

0.07

0.61

0.21

<0.001

0.05

    

Age

-5.66

-0.36

<0.001

0.17

3.80

0.26

<0.001

0.08

    

Sex

38.27

0.64

<0.001

0.18

35.57

0.63

<0.001

0.16

    

Diagnosis

-112.55

-0.26

<0.001

0.07

-72.09

-0.17

<0.001

0.03

    

IQ*Diagnosis

0.91

0.30

<0.001

0.06

0.59

0.20

0.001

0.02

    

R2 / R2 adjusted

0.370 / 0.363

0.276 / 0.268

    
 

Cerebellum

Cerebellar GMV

Cerebellar WMV

Intercept

128.62

-0.27

<0.001

0.66

105.20

-0.27

<0.001

0.68

23.42

-0.15

<0.001

0.35

IQ

0.13

0.17

<0.001

0.03

0.11

0.19

<0.001

0.04

0.02

0.06

0.178

0.00

Age

0.01

0.00

0.929

0.00

-0.48

-0.16

<0.001

0.03

0.49

0.37

<0.001

0.14

Sex

8.50

0.58

<0.001

0.12

6.94

0.59

<0.001

0.13

1.57

0.31

<0.001

0.04

Diagnosis

-15.91

-0.23

0.004

0.02

-12.11

-0.26

0.005

0.02

-3.80

-0.08

0.046

0.01

IQ*Diagnosis

0.12

0.16

0.020

0.01

0.09

0.14

0.029

0.01

0.03

0.12

0.065

0.01

R2 / R2 adjusted

0.176 / 0.167

0.213 / 0.204

0.189 / 0.180

 

Lateral Ventricles

Third Ventricles

GMV:WMV Ratio

Intercept

7.28

-0.04

<0.001

0.03

0.75

-0.05

<0.001

0.14

1.93

0.05

<0.001

0.87

IQ

-0.01

-0.02

0.669

0.00

-0.00

-0.00

0.993

0.00

-0.00

-0.02

0.564

0.00

Age

0.28

0.19

<0.001

0.03

0.00

0.01

0.827

0.00

-0.03

-0.67

<0.001

0.46

Sex

0.49

0.08

0.288

0.00

0.03

0.12

0.119

0.01

-0.02

-0.13

0.033

0.01

Diagnosis

-0.83

-0.14

0.042

0.01

0.09

-0.20

0.148

0.00

-0.01

-0.05

0.334

0.00

Age*Diagnosis

    

-0.01

-0.16

0.017

0.01

    

R2 / R2 adjusted

0.049 / 0.040

0.040 / 0.029

0.464 / 0.459