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Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Mean FA, MD values, fiber counts, and standard deviations measured in both CST and thalamic radiations in CP group and control group

From: Does motor deficit in children with cerebral palsy correlate with diffusion tensor metrics abnormalities in thalamocortical pathways?

 

Right

Left

 

Case

Control

Test of significance

Case

Control

Test of significance

CST

 FA

0.395 ± 0.045

0.520 ± 0.058

t = 11.15

p < 0.001*

0.379 ± 0.09

0.516 ± 0.05

t = 7.55

p < 0.001*

 MD

0.997 ± 0.165

0.930 ± 0.149

t = 1.79

p = 0.08

0.962 ± 0.234

0.913 ± 0.119

t = 1.01

p = 0.313

 Fiber count

204.65 ± 154.68

1520.08 ± 126.0

t = 38.80

p < 0.001*

182.83 ± 141.59

1480.38 ± 160.06

t = 38.50

p < 0.001*

CTR

 FA

0.371 ± 0.02

0.469 ± 0.09

t = 6.15

p < 0.001*

0.359 ± 0.08

0.458 ± 0.03

t = 4.33

p < 0.001*

 MD

1.042 ± 0.01

0.923 ± 0.02

t = 27.44

p < 0.001*

1.066 ± 0.08

0.925 ± 0.05

t = 5.92

p < 0.001*

 Fiber count

773.84 ± 250

2022.11 ± 310

t = 14.39

p = 0.001*

765 ± 102

1969 ± 120.5

t = 34.60

p = 0.001*

  1. RT, right; LT, left; CST, corticospinal tract; CTR, corticothalamic radiations; MD, mean diffusivity
  2. A two-sample t-test analysis was performed to compare the results of ROI-based data between the CP and control groups. p < 0.001 was applied to correct for multiple comparisons
  3. *Bold text denotes significant between group differences following multiple comparisons correction with a level of significance determined at p ≤ 0.001. Units for MD is 10–3 mm2/s whereas FA is dimensionless
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