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Table 2 The DTI parameters in the studied cases

From: Usefulness of combined diffusion tensor imaging, arterial spin labelling and spectroscopic interictal analysis in refractory epilepsy

FA

Patients group (N = 46)

Control group (N = 20)

Test

p value

Ipsilateral

Mean ± SD

0.148 ± 0.009

0.427 ± 0.009

4.05a

 < 0.001*

Contralateral

Mean ± SD

0.157 ± 0.008

0.442 ± 0.44

1.18

0.24

Difference

Mean ± SD

0.9 ± 0.003

0.106 ± 0.004

7.95

 < 0.001*

Test

7.32a

0.07a

  

p value

 < 0.001*

0.94

  

MD*10–3

Ipsilateral

Mean ± SD

8.8 ± 0.75

7.36 ± 0.8

7.04a

 < 0.001*

Contralateral

Mean ± SD

7.67 ± 0.78

7.08 ± 0.85

2.74

0.008

Difference

Mean ± SD

1.14 ± 0.94

0.28 ± 0.45

3.88

 < 0.001*

Test

7.08a

1.07a

  

p value

 < 0.001*

0.29

  
  1. FA fractional anisotropy, MD mean diffusivity, SD standard deviation, N: number
  2. aIndependent t test
  3. *Statistically significant