“…Eligibility criteria for each cohort separately are described elsewhere [4,12,14,15,17]. Inclusion criteria for the present study were new referral to a memory clinic because of cognitive complaint; age 50 years or older; baseline diagnosis of MCI; baseline data of CSF markers of amyloid b 1-42 (Ab 1-42 ), total tau (t-tau), and phosphorylated tau (p-tau) levels; at least one follow-up measurement with information on progression to dementia; and no diagnosis of a somatic psychiatric or neurological disorder that might have caused the cognitive impairment at baseline.…”