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Psychosomatics. 2009 May-Jun;50(3):255-62. doi: 10.1176/appi.psy.50.3.255.

Factor analysis of the Colombian translation of the Delirium Rating Scale (DRS), Revised-98.

Author information

1
Research Group in Liaison Psychiatry, Clínica Universitaria Bolivariana, Faculty of Medicine, Universidad Pontificia Bolivariana, Medellín, Colombia. josefranco@une.net.co

Abstract

BACKGROUND:

The phenomenology of delirium needs further elucidation using validated tools.

OBJECTIVE:

The authors sought to derive valid factors from the Delirium Rating Scale (DRS), Revised -98.

METHOD:

A factor analysis of the DRS-R-98 was performed among 161 medical-surgical patients.

RESULTS:

Scores ranged from 0 to 7 in 120 patients (74.53%; no delirium), 8 to 13 in 19 (11.80%; subclinical/prodromal delirium), and > or = 14 in 22 (13.66%; delirium). The DSM-IV-TR delirium incidence was 19.87%. The first two rotated factors explained 63.37% of the variance and may correspond to Cognition and Psychosis/Agitation factors. The dimension of motor retardation loaded with cognitive items. Motor agitation and retardation clustered with inattention, which is the cardinal symptom of delirium.

CONCLUSION:

The DRS-R-98 has good construct validity in this Latino population.

PMID:
19567765
DOI:
10.1176/appi.psy.50.3.255
[Indexed for MEDLINE]
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