1naresh
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Patients with MNGIE (n = 7) (mean ± SD) Healthy Controls (n = 9) (mean ± SD) P Valuea Metabolite concentrations (mM) NAA 6.98 ± 0.79 9.81 ± 0.94 <.001a,c Cr 4.15 ± 0.48 5.97 ± 0.55 <.001a,c Cho 1.53 ± 0.23 1.89 ± 0.24 .01a mIns 4.46 ± 1.14 5.44 ± 0.76 .06a Metabolite ratios NAA/Cr 1.85 ± 0.18 1.80 ± 0.11 .57b Cho/Cr 0.39 ± 0.06 0.33 ± 0.04 .04b mIns/Cr 0.99 ± 0.27 0.85 ± 0.08 .16b Water signal (a.u.) SBW (0) (14.0 ± 9.0)×1010 (10.8 ± 2.0)×1010 .370 SCSF (0) (4.0 ± 7.5)×1010 (1.3 ± 0.6)×1010 .23a T2 water T2BW (ms) 112 ± 24 75 ± 8 .001a,c T2CSF (ms) 520 ± 185 776 ± 344 .098a
Note:—a.u. indicates arbitrary units; SBW (0) and SCSF (0), water signals corresponding to brain and cerebrospinal water, respectively; T2BW and T2CSF, water relaxation times corresponding to brain and cerebrospinal water, respectively.
↵a Statistical significance was set at P < .0125 after Bonferroni correction for multiple comparisons.
↵b Statistical significance was set at P < .0167 after Bonferroni correction for multiple comparisons.
↵c Significant.