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Table 5 Analysis of difference between brain atrophy group versus control (t test)

From: MRI CSF flowmetry in evaluation of different neurological diseases

  Brain atrophy, N = 6 (mean ± SD) Control group, N = 9 (mean ± SD) P
PDV (cm/s) 1.33 ± 0.44 2.11 ± 0.37 0.001*
PSV (cm/s) 1.66 ± 0.57 2.73 ± 0.50 0.001*
Vmax (cm/s) 1.49 ± 0.44 2.42 ± 0.26 0.002*
SV (ML) 11.63 ± 4.31 25.33 ± 5.30 0.004*
Aqueduct area (cm2) 0.04 ± 0.01 0.04 ± 0.015 0.99
Maximum flow (cm3/s) 0.07 ± 0.02 0.11 ± 0.04 0.017*
  1. Data expressed as mean ± SD. SD standard deviation, P probability
  2. *Significance < 0.05