Table 3 Comparison of regional brain volume between the higher and lower MI groups; areas with significant differences are listed.

From: Pretreatment brain volumes can affect the effectiveness of deep brain stimulation in Parkinson's disease patients

  Higher MI group (n = 39) Lower MI group (n = 42) F p q
Anterior cingulate 7.304 ± 1.396 6.195 ± 0.873 12.245 0.001 0.008
R. nucleus accumbens 0.594 ± 0.111 0.518 ± 0.086 5.719 0.019 0.076
L. caudate 2.637 ± 0.59 2.687 ± 0.392 5.556 0.021 0.056
R. primary sensory 9.871 ± 2.311 9.887 ± 1.556 4.658 0.034 0.068
Paracentral 9.441 ± 1.971 9.666 ± 1.883 4.617 0.035 0.056
L. primary motor 10.565 ± 1.951 10.620 ± 1.533 4.200 0.044 0.058
L. anterior middle frontal 7.546 ± 1.557 6.634 ± 1.114 4.169 0.045 0.051
R. Thalamus 7.869 ± 1.001 7.259 ± 0.79 4.011 0.049 0.049
  1. Values reported as mean ± SD.
  2. MI,  motor improvement; R,  right; L,  left.