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Table 3 The mean of the DKI metrics in the area of white matter and gray matter in DCM patients with a different JOA score

From: Evaluation of microstructural changes in spinal cord of patients with degenerative cervical myelopathy by diffusion kurtosis imaging and investigate the correlation with JOA score

GroupJOA scoreNumberWMGM
FAMDMKFAMDMK
Mild14.5±1.7490.757±0.0771.132±0.0491.168±0.1060.603±0.0751.039±0.0621.156±0.089
Moderate10.5±1.98140.743±0.0861.190±0.0461.163±0.1040.607±0.0921.106±0.0671.123±0.085
Severe6.5±1.54190.703±0.0821.167±0.0741.060±0.0840.509±0.0801.166±0.0591.090±0.077
Serious2.5±1.56150.658±0.0781.253±0.0851.072±0.0820.537±0.0811.219±0.0531.052±0.078
  1. DCM cervical spondylotic myelopathy, GM gray matter, WM white matter, FA fractional anisotropy, MD mean diffusivity, MK mean kurtosis. The units for FA and MK are dimensionless. MD values are given in 10−3 mm2/s