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Mortality Risk after Diagnosis of Early-Onset Alzheimer's Disease versus Late-Onset Alzheimer's Disease: A Propensity Score Matching Analysis

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dc.contributor.authorChang, KJ-
dc.contributor.authorHong, CH-
dc.contributor.authorLee, KS-
dc.contributor.authorKang, DR-
dc.contributor.authorLee, JD-
dc.contributor.authorChoi, SH-
dc.contributor.authorKim, SY-
dc.contributor.authorNa, DL-
dc.contributor.authorSeo, SW-
dc.contributor.authorKim, DK-
dc.contributor.authorLee, Y-
dc.contributor.authorChung, YK-
dc.contributor.authorLim, KY-
dc.contributor.authorNoh, JS-
dc.contributor.authorPark, J-
dc.contributor.authorSon, SJ-
dc.date.accessioned2018-08-24T01:49:56Z-
dc.date.available2018-08-24T01:49:56Z-
dc.date.issued2017-
dc.identifier.issn1387-2877-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/16091-
dc.description.abstractBACKGROUND/OBJECTIVE: We aimed to compare the risk of mortality in patients with early-onset Alzheimer's disease (EOAD) versus those with late-onset AD (LOAD) using a large number of study subjects. We applied propensity score matching (PSM) to minimize confounding biases in the comparison between EOAD and LOAD.
METHODS: We obtained data from elderly Korean subjects with AD (n = 3,611) at baseline from the CREDOS cohort study, which was conducted from November 2005 to July 2013. We conducted PSM to reduce the bias due to confounding variables related to survival in patients with AD. The risks of mortality associated with EOAD and LOAD were evaluated by Cox proportional hazard analyses, controlling for relevant covariates.
RESULTS: After propensity score matching, 312 subjects with EOAD and 624 subjects with LOAD were selected for further analysis. The Cox proportional hazard analysis showed that patients with EOAD are at a greater risk for mortality compared to those with LOAD (Hazard Ratio: 2.01, 95% CI: 1.01-4.00, p-value: 0.04) when controlling for the direct effect of aging on mortality. The results did not change after adjusting for age at diagnosis, general cognitive function, nutritional factor related to body mass index, and physical disability using activities of daily living. The results support the assumption that EOAD takes a more malignant course than LOAD.
CONCLUSIONS: Our results provide support for the idea that EOAD takes a clinical course that is distinct from that of LOAD, especially as pertains to the risk of mortality.
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dc.language.isoen-
dc.subject.MESHAge of Onset-
dc.subject.MESHAged-
dc.subject.MESHAlzheimer Disease-
dc.subject.MESHFemale-
dc.subject.MESHFollow-Up Studies-
dc.subject.MESHHumans-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.subject.MESHPropensity Score-
dc.subject.MESHProportional Hazards Models-
dc.subject.MESHRepublic of Korea-
dc.subject.MESHRisk-
dc.titleMortality Risk after Diagnosis of Early-Onset Alzheimer's Disease versus Late-Onset Alzheimer's Disease: A Propensity Score Matching Analysis-
dc.typeArticle-
dc.identifier.pmid28157103-
dc.contributor.affiliatedAuthor홍, 창형-
dc.contributor.affiliatedAuthor강, 대용-
dc.contributor.affiliatedAuthor이, 윤환-
dc.contributor.affiliatedAuthor정, 영기-
dc.contributor.affiliatedAuthor임, 기영-
dc.contributor.affiliatedAuthor노, 재성-
dc.contributor.affiliatedAuthor손, 상준-
dc.type.localJournal Papers-
dc.identifier.doi10.3233/JAD-161181-
dc.citation.titleJournal of Alzheimer's disease : JAD-
dc.citation.volume56-
dc.citation.number4-
dc.citation.date2017-
dc.citation.startPage1341-
dc.citation.endPage1348-
dc.identifier.bibliographicCitationJournal of Alzheimer's disease : JAD, 56(4). : 1341-1348, 2017-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn1875-8908-
dc.relation.journalidJ013872877-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Psychiatry & Behavioural Sciences
Journal Papers > School of Medicine / Graduate School of Medicine > Medical Humanities & Social Medicine
Journal Papers > School of Medicine / Graduate School of Medicine > Preventive Medicine & Public Health
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