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Table 1 Comparison between ipsilesional and contralesional cortical thickness and metabolite ratios in the improved, not improved, and all stroke groups

From: Biochemical and structural magnetic resonance imaging in chronic stroke and the relationship with upper extremity motor function

Improved N = 20IpsilesionalContralesionalPaired t test
MeanSDMeanSDp valuesig.
Cortical thickness2.870.452.890.480.854NS
NAA/Cr ratio1.830.281.860.370.750NS
GLX/Cr ratio0.250.150.250.160.980NS
Not improved,N= 30 
Cortical thickness2.480.502.770.460.002HS
NAA/Cr ratio1.540.291.860.240.000HS
GLX/Cr ratio0.210.170.340.200.000HS
All stroke group,N= 50 
Cortical thickness2.630.502.810.470.011S
NAA/Cr ratio1.650.311.860.300.001HS
GLX/Cr ratio0.230.160.310.190.009HS
  1. Paired t test, S significant, HS highly significant, NS non-significant, NAA/Crn-acetylaspartate/creatine ratio, GLX/Cr glutamate/creatine ratio