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TABLE 1: Characteristics of patients with AD and healthy control subjects
Group Sex (F:M) Age (y)^* MMSE Score^*
First 
    Early-onset AD 22:8 60.2 ± 5.2 23.0 ± 2.1
    Younger controls 20:10 59.6 ± 3.8 29.9 ± 0.3
    Late-onset AD 22:8 71.5 ± 2.6 22.3 ± 1.8
    Older controls 20:10 71.4 ± 3.5 29.4 ± 0.9
Second 
    Early-onset AD 14:6 60.8 ± 4.6 23.5 ± 1.9
    Younger controls 17:3 59.1 ± 2.7 29.8 ± 0.5
    Late-onset AD 17:3 72.2 ± 3.2 23.4 ± 2.0
    Older controls 11:9 70.3 ± 4.2 29.5 ± 0.8
* Data are mean ± SD.

Group	Sex (F:M)	Age (y)^*	MMSE Score^*
First
Early-onset AD	22:8	60.2 ± 5.2	23.0 ± 2.1
Younger controls	20:10	59.6 ± 3.8	29.9 ± 0.3
Late-onset AD	22:8	71.5 ± 2.6	22.3 ± 1.8
Older controls	20:10	71.4 ± 3.5	29.4 ± 0.9
Second
Early-onset AD	14:6	60.8 ± 4.6	23.5 ± 1.9
Younger controls	17:3	59.1 ± 2.7	29.8 ± 0.5
Late-onset AD	17:3	72.2 ± 3.2	23.4 ± 2.0
Older controls	11:9	70.3 ± 4.2	29.5 ± 0.8