Abstract
BACKGROUND: Frontotemporal dementia (FTD) is believed to be rare in the elderly, and the influence of different criteria on the prevalence of FTD is unclear.
METHODS: Population-based samples of 70- to 95-year-olds (n = 2462) in Gothenburg, Sweden, underwent neuropsychiatric examinations. Behavioral variant FTD (bvFTD) was diagnosed according to the International Behavioural Variant FTD Criteria Consortium (FTDC), the Frontotemporal Lobe Degeneration Consensus criteria, and the Lund-Manchester Research Criteria. A subset (n = 1074) underwent computerized tomography (CT) of the brain.
RESULTS: The prevalence of bvFTD varied between 0.2% and 0.5% at age 70 to 79 years, between 2.5% and 3.6% at age 80 to 89 years, and between 1.7% and 2.2% at age 90 to 95 years. The agreement between different criteria was low to moderate (κ = 0.20-0.42). Among those with bvFTD according to FTDC, 93.3% had frontal and/or temporal lobar atrophy on CT, compared with 12.6% of those without bvFTD (P < .001).
CONCLUSIONS: The prevalence of bvFTD was higher than expected in this population. To a large extent, different criteria captured different individuals.
| Original language | English |
|---|---|
| Journal | Alzheimer's & dementia : the journal of the Alzheimer's Association |
| Volume | 11 |
| Issue number | 4 |
| Pages (from-to) | 425-33 |
| Number of pages | 9 |
| ISSN | 1552-5260 |
| DOIs | |
| Publication status | Published - Apr 2015 |
| Externally published | Yes |
Keywords
- Age Distribution
- Aged
- Aged, 80 and over
- Brain
- Chi-Square Distribution
- Cluster Analysis
- Community Health Planning
- Female
- Frontotemporal Dementia
- Humans
- Male
- Prevalence
- Psychiatric Status Rating Scales
- Retrospective Studies
- Sex Distribution
- Sweden
- Tomography, X-Ray Computed
- Journal Article
- Research Support, Non-U.S. Gov't
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