Table 2.
Abbreviations: AD = Alzheimer disease; CDR = Clinical Dementia Rating; FAQ = Functional Activities Questionnaire; MCI = mild cognitive impairment; MMSE = Mini-Mental State Examination.
From H0: no difference in the proportion of subjects transitioning to < MCI.
Transitory etiologies included cognitive dysfunction due to medical illness; cognitive dysfunction due to medication; depression; other major psychiatric disorder; or hydrocephalus.