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Phenomenological examinations of delirium in advanced cancer patients: exploratory structural equation modelling and latent profile analysis

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Authors
Shim, Eun-Jung; Ha, Hyeju; Kim, Won-Hyoung; Lee, Moon-Hee; Park, Jisun; Lee, Kwang-Min; Son, Kyung-Lak; Yeom, Chan-Woo; Hahm, Bong-Jin
Issue Date
2020-10-19
Publisher
BMC
Citation
BMC Palliative Care. 2020 Oct 19;19(1):162
Keywords
CancerDeliriumExploratory structural equation modellingLatent profile analysisPalliative care
Abstract
Background
This study examined phenomenological manifestations of delirium in advanced cancer patients by examining the factor structure of the Delirium Rating Scale-Revised-98 (DRS-R-98) and profiles of delirium symptoms.

Methods
Ninety-three patients with advanced cancer admitted to inpatient palliative care units in South Korea were examined by psychiatrists using the DRS-R-98 and the Confusion Assessment Method (CAM). The factor structure of the DRS-R-98 was examined by exploratory structural equation modelling analysis (ESEM) and profiles of delirium were examined by latent profile analysis (LPA).

Results
CAM-defined delirium was present in 66.6% (n = 62) of patients. Results from the ESEM analysis confirmed applicability of the core and noncore symptom factors of the DRS-R-98 to advanced cancer patients. LPA identified three distinct profiles of delirium characterizing the overall severity of delirium and its core and noncore symptoms. Class 1 (n = 55, 59.1%) showed low levels of all delirium symptoms. Class 2 (n = 17, 18.3%) showed high levels of core symptoms only, whereas Class 3 (n = 21, 22.6%) showed high levels of both core and noncore symptoms except motor retardation.

Conclusions
Clinical care for delirium in advanced cancer patients may benefit from consideration of the core and noncore symptom factor structure and the three distinct phenomenological profiles of delirium observed in the present study.
ISSN
1472-684X
Language
English
URI
http://hdl.handle.net/10371/171619
DOI
https://doi.org/10.1186/s12904-020-00668-0
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College of Medicine/School of Medicine (의과대학/대학원)Neurosurgery (신경외과학전공)Journal Papers (저널논문_신경외과학전공)
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