Skip to main content

Table 10 Correlation between age and tract-specific measurements

From: White matter connectivity in children with autism spectrum disorders: a tract-based spatial statistics study

 

Number of streamlines

Length of streamlines

Volume

 

ASD

Controls

ASD

Controls

ASD

Controls

 

r value

p value

r value

p value

r value

p value

r value

p value

r value

p value

r value

p value

CC

-.07

.77

.07

.47

.05

.82

.22

.54

-.14

.53

.31

.39

Cing left

-.13

.30

-.22

.54

.09

.68

-.07

.85

-.18

.43

-.16

.66

Cing right

-.05

.82

-.09

.80

.11

.61

.11

.76

-.15

.50

-.55

.09

DAF left

.25

.25

.39

.29

.30

.16

-.05

.94

.25

.25

.38

.31

DAF right

.47

.02*

.41

.24

.15

.48

-.08

.82

.46

.03*

.39

.26

IAAF left

.23

.29

.17

.64

.01

.02

.46

.18

.15

.49

.39

.27

IAAF right

.41

.05

-.07

.84

.95

.94

-.21

.56

.32

.14

.18

.62

IPAF left

.28

.19

.07

.89

-.15

.49

.61

.06

.12

.59

.20

.57

IPAF right

-.57

.005**

-.28

.44

-.29

.17

.29

.40

-.49

.02*

.005

.99

 

Fractional anisotropy

Mean diffusivity

    
 

ASD

Controls

ASD

Controls

    
 

r value

p value

r value

p value

r value

p value

r value

p value

    

CC

-.27

.22

.37

.28

-.12

.58

-.69

.03*

    

Cing left

.05

.82

.44

.19

-.05

.81

-.47

.17

    

Cing right

.31

.15

.25

.49

-.15

.49

-.72

.02*

    

DAF left

.21

.35

.33

.43

.08

.73

-.96

<.001**

    

DAF right

.008

.97

.003

.99

-.27

.27

-.71

.03*

    

IAAF left

.04

.85

.57

.08

-.36

.09

-.88

.001*

    

IAAF right

.14

.52

-.22

.54

-.25

.25

-.60

.07

    

IPAF left

.22

.31

.18

.62

-.39

.06

-.85

.002**

    

IPAF right

-.24

.26

-.25

.49

-.35

.09

-.67

.03*

    
 

Parallel diffusivity

Perpendicular diffusivity

    
 

ASD

Controls

ASD

Controls

    
 

r value

p value

r value

p value

r value

p value

r value

p value

    

CC

-.32

.14

-.10

.78

.07

.77

-.36

.30

    

Cing left

.13

.56

-.38

.28

-.06

.79

-.66

.04*

    

Cing right

.09

.69

-.65

.04*

.07

.75

-.73

.02*

    

DAF left

-.07

.77

-.90

.002*

-.31

.16

-.78

.02*

    

DAF right

.12

.63

-.14

.73

-.19

.42

-.01

.98

    

IAAF left

-.03

.17

-.33

.35

-.31

.16

-.23

.52

    

IAAF right

-.05

.82

-.55

.09

-.20

.37

-.58

.08

    

IPAF left

-.37

.12

-.87

.001**

-.38

.07

-.71

.02*

    

IPAF right

-.03

.88

-.58

.08

-.08

.72

-.09

.79

    
  1. ASD: Autism Spectrum Disorder; CC: corpus callosum; Cing: cingulum; DAF: direct segment of the arcuate fasciculus; IAAF: indirect anterior segment of the arcuate fasciculus; IPAF: indirect posterior segment of the arcuate fasciculus. r: Pearson’s correlation coefficient.
  2. * Statistically significant at the threshold uncorrected p < .05.
  3. ** Significance level at the threshold uncorrected p < .01.