Table 2:

Demographic and clinical characteristics of each groupa

ParametersHC (n=20)INPH (n=16)AD (n=10)SVaD (n=10)ANOVA, F or χ2
Age (yr)69.8 (3.5)69.9 (5.9)70.3 (4.0)69.3 (5.3)0.08
Male sex (No.) (%)8 (40.0)9 (56.3)4 (40.0)4 (40.0)χ2=1.22
MMSE28.5 (1.6)23.9 (4.3)21.8 (3.1)21.5 (2.2)16.56b
Evans indexc0.25 (0.03)0.35 (0.03)0.29 (0.03)0.28 (0.02)34.67b
  • a Variables are mean (±SD) or No. (%).

  • b P < .001.

  • c The ratio of the maximal width of the frontal horns to the maximal width of the inner skull.18