Table 3 DTI parameters of FA, MD, AD, and RD (single-subject analysis) in normal appearing cord on MRI above the hydromyelia (subjects 1, 2, 3) and syringomyelia (subject 4) lesions and the TD pediatric population

From: Characterization of spinal cord diffusion tensor imaging metrics in clinically asymptomatic pediatric subjects with incidental congenital lesions

  DTI parameters
  FA (TD, subjects) MD (TD, subjects) AD (TD, subjects) RD (TD, subjects)
TD vs. subject 1 0.57 ± 0.09,
0.61 ± 0.09
p = 0.102
1.04 ± 0.23,
1.00 ± 0.18
p = 0.432
1.77 ± 0.36,
1.81 ± 0.37
p = 0.193
0.68 ± 0.19,
0.60 ± 0.12
p = 0.754
TD vs. subject 2 0.56 ± 0.09,
0.52 ± 0.06
p = 0.953
1.04 ± 0.24,
1.09 ± 0.18
p = 0.066
1.76 ± 0.37,
1.73 ± 0.27
p = 0.268
0.68 ± 0.20,
0.77 ± 0.17
p = 0.063
TD vs. subject 3 0.57 ± 0.09,
0.53 ± 0.07
p = 0.950
1.07 ± 0.24,
1.00 ± 0.16
p = 0.980
1.82 ± 0.36,
1.65 ± 0.29
p = 0.983
0.69 ± 0.21,
0.68 ± 0.13
p = 0.975
TD vs. subject 4 0.57 ± 0.09,
0.44 ± 0.11
*p< 0.0001
1.05 ± 0.22,
1.10 ± 0.42
*p< 0.0001
1.79 ± 0.35,
1.59 ± 0.55
*p< 0.0001
0.68 ± 0.19,
0.85 ± 0.36
*p< 0.0001
  1. Units for MD, AD, and RD are given in 10−3 mm2/s
  2. FA fractional anisotropy, MD mean diffusivity, AD, axial diffusivity, RD radial diffusivity, TD, typically developing, DTI diffusion tensor imaging
  3. *p Value ≤ 0.05 indicates statistical significance