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Table 2: 
Thalamic volumetry and DTI findings at study entry and after 15 months in patients with PPMS with and without thalamic T2-visible lesionsa
VariablesPPMS without LesionsPPMS with LesionsP Value
NTV
    Baseline4.49 (0.88)3.62 (0.74).001
    % Change−3.7 (5.5)−5.8 (6.5).22
Thalamic MD
    Baseline1.01 (0.13)1.19 (0.19).001
    % Change+2.4 (10.8)+0.9 (9.1).60
Thalamic FA
    Baseline0.21 (0.02)0.20 (0.02).05
    % Change−12.8 (7.1)−11.7 (7.2).60
  • 

    a Values are means ± SDs in parentheses. See the text for statistical analysis.