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Table 1 Group classifications for gene expression analyses.

From: Increased expression of RXRα in dementia: an early harbinger for the cholesterol dyshomeostasis?

Gene Expression Analysis
   Number of individuals
CDR Groups Dementia Severity Hippocampus Area 20
0 No dementia 18 18
0.5 Questionable dementia 13 13
1 Mild dementia 9 8
2 Moderate dementia 9 13
3 Severe dementia 12 18
4-5 Very severe/terminal dementia 12 18
Braak Groups Braak stages   
0 None 7 9
I Mild transentorhinal 8 9
II Severe transentorhinal 15 16
III Limbic 10 12
IV Limbic/Hippocampal CA1 8 8
V Isocortical 12 15
VI Isocortical/Primary sensory areas 13 19
NP Density Groups Plaques (number/mm 2 )   
0 0 24 26
1 1-5 10 13
2 6-10 20 23
3 11-20 14* 14
4 21 and more 5* 12