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Table 3 A breakdown of the eventual diagnosis among participants who reported each of the three symptom clusters of neuropsychiatric symptoms at baseline

From: Neuropsychiatric symptoms in cognitively normal older persons, and the association with Alzheimer’s and non-Alzheimer’s dementia

Dementia subtypePresence of affective symptomsaPresence of agitation symptomsaPresence of psychotic symptomsa
Yes (n = 2372)No (n = 10,080)Yes (n = 1773)No (n = 10,679)Yes (n = 123)No (n = 12,329)
All-cause dementia193 (8.1%)531 (5.3%)153 (8.6%)571 (5.4%)23 (18.7%)701 (5.7%)
Alzheimer’s dementia136 (5.7%)419 (4.2%)111 (6.3%)444 (4.2%)12 (9.8%)543 (4.4%)
Vascular dementia15 (0.6%)42 (0.4%)9 (0.5%)48 (0.5%)2 (1.6%)55 (0.5%)
Dementia with Lewy Bodies16 (0.7%)23 (0.2%)8 (0.5%)31 (0.3%)4 (3.3%)35 (0.3%)
Frontotemporal lobar degeneration8 (0.3%)6 (0.1%)8 (0.5%)6 (0.1%)2 (1.6%)12 (0.1%)
Other or unknown subtype of dementia18 (0.8%)41 (0.4%)17 (1.0%)42 (0.4%)3 (2.4%)56 (0.5%)
  1. aAffective symptoms included depression, anxiety, and apathy. Agitation symptoms included disinhibition, agitation, and irritability. Psychotic symptoms included delusions and hallucinations