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Table 2: Results from post hoc comparisons for the apparent diffusion coefficient (ADC) between controls and patients with SCA1 and SCA2
ADC Controls SCA1 SCA2 SCA1-controls SCA2-controls SCA1-SCA2
CST (cerebral peduncle) 0.70 ± 0.04 0.75 ± 0.08 0.82 ± 0.08 n.s. ^*** ^**
CST (pons) 0.68 ± 0.05 0.71 ± 0.05 0.78 ± 0.06 n.s. ^*** ^***
TPF 0.69 ± 0.04 0.72 ± 0.06 0.78 ± 0.09 n.s. ^*** ^***
SCP 0.86 ± 0.05 0.88 ± 0.05 0.92 ± 0.06 n.s. ^** ^*
MCP 0.68 ± 0.04 0.81 ± 0.08 0.88 ± 0.12 ^*** ^*** ^*
CWM 0.66 ± 0.04 0.78 ± 0.04 0.89 ± 0.11 ^*** ^*** ^***
Note:—CST indicates corticospinal tract, TPF, transverse pontine fibers; SCP, superior cerebellar peduncles; MCP, middle cerebellar peduncles; CWM, cerebellar white matter; n.s., not significant.
Values are expressed as mean ± SD.
* P < .05,
** P < .01,
*** P < .001.