期刊
JOURNAL OF NEUROPSYCHIATRY AND CLINICAL NEUROSCIENCES
卷 27, 期 2, 页码 E122-E127出版社
AMER PSYCHIATRIC PUBLISHING, INC
DOI: 10.1176/appi.neuropsych.13110345
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资金
- RRD VA [IK2 RX000879] Funding Source: Medline
Principal components analysis applied to the Delirium Rating Scale-Revised-98 contributes to understanding the delirium construct. Using a multisite pooled international delirium database, the authors applied confirmatory factor analysis to Delirium Rating Scale-Revised-98 scores from 859 adult patients evaluated by delirium experts (delirium, N=516; nondelirium, N=343). Confirmatory factor analysis found all diagnostic features and core symptoms (cognitive, language, thought process, sleep-wake cycle, motor retardation), except motor agitation, loaded onto factor 1. Motor agitation loaded onto factor 2 with noncore symptoms (delusions, affective lability, and perceptual disturbances). Factor 1 loading supports delirium as a single construct, but when accompanied by psychosis, motor agitation's role may not be solely as a circadian activity indicator.
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