Erlangen Score as a tool to predict progression from mild cognitive impairment to dementia in Alzheimer’s disease

Table 2 Distribution of Erlangen Score neurochemical categories across the four diagnostic groups

Diagnostic category	Erlangen Score neurochemical category
Diagnostic category	Improbable AD	Possible AD	Probable AD
Control group (n = 66)^a	37 (56.1%)	28 (42.4%)	1 (1.5%)
MCI-Stable group (n = 74)^a	29 (39.2%)	25 (33.8%)	20 (27.0%)
MCI-AD group (n = 70)^b	3 (4.3%)	16 (22.9%)	51 (72.8%)
ADD group (n = 168)^b	9 (5.4%)	35 (20.8%)	124 (73.8%)

Presented as number (percentage of the total number) in a given diagnostic group
AD Alzheimer’s disease, ADD Alzheimer’s disease dementia, MCI mild cognitive impairment
^aDistribution significantly different (p < 0.005) from distributions in all three other categories
^bDistribution significantly different (p < 0.005) from distributions in Control and MCI-Stable group, but not in ADD group (p = 1.0)

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