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Table 2: 
Course of mean fractional anisotropy, left and right hemisphere (n = 16)
VariableT0, Mean ± SDT1, Mean ± SDΔ, %P*T2, Mean ± SDΔ (%)P†P‡
CB
    Right.173 ± .023.162 ± .019−6.1.000.160 ± .017−7.1.007.001
    Left.174 ± .021.160 ± .023−8.0.000.158 ± .019−8.7.001.000
FWM
    Right.470 ± .069.456 ± .058−2.5.008.441 ± .056−5.6.007.000
    Left.463 ± .060.449 ± .058−3.0.003.442 ± .070−4.8.015.011
CR
    Right.489 ± .031.473 ± .040−3.3.001.459 ± .036−6.2.000.000
    Left.492 ± .043.470 ± .053−4.6.001.466 ± .049−5.2.000.000
  • Note:—CB indicates cerebellar white matter; FWM, frontal white matter; CR, corona radiata; T0, at baseline; T1, at the end of radiotherapy; T2, at 6 weeks after radiotherapy.
  • * P values are from Wilcoxon test (comparison between T0 and T1).
  • † P values are from Wilcoxon test (comparison between T0 and T2).
  • ‡ P values are from Friedman test (comparison across time).