| pubmed-article:18343688 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:18343688 | lifeskim:mentions | umls-concept:C0002395 | lld:lifeskim |
| pubmed-article:18343688 | lifeskim:mentions | umls-concept:C0005516 | lld:lifeskim |
| pubmed-article:18343688 | lifeskim:mentions | umls-concept:C0679575 | lld:lifeskim |
| pubmed-article:18343688 | pubmed:issue | 4 | lld:pubmed |
| pubmed-article:18343688 | pubmed:dateCreated | 2008-4-14 | lld:pubmed |
| pubmed-article:18343688 | pubmed:abstractText | We performed univariate and multivariate discriminant analysis of FDG-PET scans to evaluate their ability to identify Alzheimer's disease (AD). FDG-PET scans came from two sources: 17 AD patients and 33 healthy elderly controls were scanned at the University of Michigan; 102 early AD patients and 20 healthy elderly controls were scanned at the Technical University of Munich, Germany. We selected a derivation sample of 20 AD patients and 20 healthy controls matched on age with the remainder divided into 5 replication samples. The sensitivity and specificity of diagnostic AD-markers and threshold criteria from the derivation sample were determined in the replication samples. Although both univariate and multivariate analyses produced markers with high classification accuracy in the derivation sample, the multivariate marker's diagnostic performance in the replication samples was superior. Further, supplementary analysis showed its performance to be unaffected by the loss of key regions. Multivariate measures of AD utilize the covariance structure of imaging data and provide complementary, clinically relevant information that may be superior to univariate measures. | lld:pubmed |
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| pubmed-article:18343688 | pubmed:language | eng | lld:pubmed |
| pubmed-article:18343688 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:18343688 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:18343688 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:18343688 | pubmed:month | May | lld:pubmed |
| pubmed-article:18343688 | pubmed:issn | 1053-8119 | lld:pubmed |
| pubmed-article:18343688 | pubmed:author | pubmed-author:SternYaakovY | lld:pubmed |
| pubmed-article:18343688 | pubmed:author | pubmed-author:KurzAlexander... | lld:pubmed |
| pubmed-article:18343688 | pubmed:author | pubmed-author:DrzezgaAlexan... | lld:pubmed |
| pubmed-article:18343688 | pubmed:author | pubmed-author:KoeppeRobert... | lld:pubmed |
| pubmed-article:18343688 | pubmed:author | pubmed-author:FosterNorman... | lld:pubmed |
| pubmed-article:18343688 | pubmed:author | pubmed-author:HabeckChristi... | lld:pubmed |
| pubmed-article:18343688 | pubmed:author | pubmed-author:PerneczkyRobe... | lld:pubmed |
| pubmed-article:18343688 | pubmed:author | pubmed-author:AlexopoulosPa... | lld:pubmed |
| pubmed-article:18343688 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:18343688 | pubmed:day | 1 | lld:pubmed |
| pubmed-article:18343688 | pubmed:volume | 40 | lld:pubmed |
| pubmed-article:18343688 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:18343688 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:18343688 | pubmed:pagination | 1503-15 | lld:pubmed |
| pubmed-article:18343688 | pubmed:dateRevised | 2011-1-6 | lld:pubmed |
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