Table 4:

Relationship between evolution of MRI lesion and brain volumetric measures over a 48-month perioda

Longitudinal MRI Lesion MeasuresMRI Brain Volume % Changes Over 48 mo
WBWMGMCorticalLateral VentricleSDGMThalamus
Total cumulative T2 LN<.001b.517.013b.036b.007b.015b.013b
T2 LV absolute change.115.444.234.456.861.717.659
Total cumulative CE LN.394.182.489.795.341.193.489
CE LV absolute change.360.936.399.802.160.769.843
  • Note:—WB indicates whole brain; LN, lesion number.

  • a All data are reported as P values corrected by the Benjamini-Hochberg procedure. Associations between MRI measures were tested by using mixed-model analysis with interaction with time.

  • b P < .05.