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Br J Psychiatry. 1997 Jun;170:565-70.

Confusional State Evaluation (CSE): an instrument for measuring severity of delirium in the elderly.

Author information

1
Department of Psychiatry and Neurochemistry, Göteborg University, Sahlgrenska University Hospital/Mölndal, Sweden.

Abstract

BACKGROUND:

Delirium or confusional state is a common mental disorder in the elderly. To follow changes in symptoms over time and to evaluate the efficacy of treatment of delirium, a reliable and valid instrument for measuring degrees of delirium is essential.

METHOD:

An observer's rating scale with 22 items, the Confusional State Evaluation (CSE), was developed. Scores on 12 of the items were summarised to a "confusion score". Based on ratings of 71 demented and non-demented elderly patients with delirium, the interrater reliability and validity of the scale was studied.

RESULTS:

Agreement between two independent raters was fair to excellent (weighted kappa 0.38-0.93). The correlation between the "confusion score" of the scale and the global rating by a psychogeriatrician was good (r = 0.79).

CONCLUSIONS:

The CSE seems to be a reliable and valid measuring instrument which can be useful in following the course of confusion in elderly patients.

PMID:
9330025
[Indexed for MEDLINE]

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