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Table 3 Distribution of dementia severity (CDR categories) according to brain MRI findings in AD patients.

From: Serum levels of S100B and NSE proteins in Alzheimer's disease patients

CDR Degree of brain atrophy
  Percentil 25
(N = 16)
Percentil 50
(N = 26)
Percentil 75
(N = 12)
Mild (N = 12) 3 (19%) 7 (27%) 2 (17%)
Moderate (N = 22) 7 (44%) 8 (31%) 7 (58%)
Severe (N = 20) 6 (37.5%) 11 (42%) 3 (25%)
  1. Chi-square Fisher Exact = 2.67; p = 0.632