Table 1.

Basic clinical characteristics for the diagnostic groups

Baseline investigationProbable AD patientsPossible AD patientsPatients with depressionControl subjects
Numeric values are given as number of patients or mean ± SD.
* p < 0.0001 vs control subjects.
MMSE = Mini-Mental State Examination; NA = not applicable.
n2741332865
M/F92 /18276 /5712 /1630 /35
Age, y74.8 ± 7.3*76.5 ± 6.4*49.4 ± 15.5*68.6 ± 6.8
MMSE score22.0 ± 5.322.1 ± 5.2
Duration, mo42.9 ± 29.533.3 ± 26.3NANA
CSF-tau, pg/mL690 ± 341*661 ± 447*231 ± 110*227 ± 101