Table 2:

Significant results of analyses of DTI parameters for patient groups

QuantityExplanatory VariableTestThreshold P Value% Suprathreshold VoxelsaThreshold rb
OPA1-DOAFAAgeRegression.0514.5%−0.299
Mean RNFLRegression.058.0%+0.318
Disease durationRegression.07c7.1%+0.224
Idebenonet test.07c0.6%NA
MDMutationt test.0560.8%NA
Visual acuityRegression.07c31.0%+0.224
LHONMDIdebenonet test.054.2%NA

  • ↵a Results are expressed as the percentage of voxels within the TBSS skeleton showing P value indicated.

  • ↵b R indicates the Pearson product moment correlation coefficient.

  • ↵c Trend finding.