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Table 2 Comparison of FA and MD in the ROIs between the UWS and MCS groups (x̅±s)

From: Diagnostic evaluation of patients with disorders of consciousness with diffusion tensor imaging

Group Number of cases Brainstem Thalamus Subcortex
FA value MD value FA value MD value FA value MD value
UWS 66 0.164 ± 0.0619 0.0012 ± 0.0003 0.1996 ± 0.0650a1 0.0019 ± 0.0003 0.2055 ± 0.0781a1 0.0015 ± 0.0003 b2
MCS 9 0.2150 ± 0.0434 0.0010 ± 0.0002 0.2457 ± 0.0591 a1 0.0016 ± 0.0004b1 0.2639 ± 0.0388a1 0.0013 ± 0.0003
t value   2.386 1.936 1.999 2.701 2.197 2.011
P value   0.020 0.047 0.049 0.009 0.031 0.048
  1. Compared to the FA value of the brainstem a1 P < 0.05; compared to the FA value of the thalamus a2 P < 0.05
  2. Compared to the MD value of the brainstem b1 P < 0.05; compared to the MD value of the thalamus b2 P < 0.05