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Table 5 Intra-software (Phase I and II) variation analysis for automated ICV estimation

From: A practical guideline for intracranial volume estimation in patients with Alzheimer's disease

  AD AC
  p r MRPAD p r MRPAD
FS 0.25 0.71 11.5 < 0.0 0.99 1.09
FSL <0.0 0.82 25.4 < 0.0 0.47 33.7
SPM 0.49 0.63 5.96 0.1 0.99 0.5
  1. AD: Adult With Alzheimer's Disease subject groups; AC: Adult Control subject groups. p: paired t-test p-value; r: correlation coefficient; MRPAD: Mean Related Percentage of Absolute Difference; p-value less than 0.01 was considered significant.