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. 2009 Apr 1:7:28.
doi: 10.1186/1477-7525-7-28.

Clinical usefulness of the screen for cognitive impairment in psychiatry (SCIP-S) scale in patients with type I bipolar disorder

Georgina Guilera  1 , Oscar Pino, Juana Gómez-Benito, J Emilio Rojo, Eduard Vieta, Rafael Tabarés-Seisdedos, Nuria Segarra, Anabel Martínez-Arán, Manuel Franco, Manuel J Cuesta, Benedicto Crespo-Facorro, Miguel Bernardo, Scot E Purdon, Teresa Díez, Javier Rejas; Spanish Working Group in Cognitive Function
Collaborators, Affiliations

Clinical usefulness of the screen for cognitive impairment in psychiatry (SCIP-S) scale in patients with type I bipolar disorder

Georgina Guilera et al. Health Qual Life Outcomes. .

Abstract

Background: The relevance of persistent cognitive deficits to the pathogenesis and prognosis of bipolar disorders (BD) is understudied, and its translation into clinical practice has been limited by the absence of brief methods assessing cognitive status in Psychiatry. This investigation assessed the psychometric properties of the Spanish version of the Screen for Cognitive Impairment in Psychiatry (SCIP-S) for the detection of cognitive impairment in BD.

Methods: After short training, psychiatrists at 40 outpatient clinics administered the SCIP three times over two weeks to a total of 76 consecutive type I BD admissions. Experienced psychologists also administered a comprehensive battery of standard neuropsychological instruments to clinical sample and 45 healthy control subjects.

Results: Feasibility was supported by a brief administration time (approximately 15 minutes) and minimal scoring errors. The reliability of the SCIP was confirmed by good equivalence of forms, acceptable stability (ICC range 0.59 to 0.87) and adequate internal consistency (Chronbach's alpha of 0.74). Construct validity was granted by extraction of a single factor (accounting 52% of the variance), acceptable correlations with conventional neuropsychological instruments, and a clear differentiation between bipolar I and normal samples. Efficiency was also provided by the adequate sensitivity and specificity.

Limitations: The sample size is not very large. The SCIP and the neurocognitive battery do not cover all potentially relevant cognitive domains. Also, sensitivity to change remains unexplored.

Conclusion: With minimal training, physicians obtained a reliable and valid estimate of cognitive impairment in approximately 15 minutes from an application of the SCIP to type I BD patients.

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Figures

Figure 1
Figure 1
ROC curve of the differentiation between patients with and without cognitive impairment.
See this image and copyright information in PMC

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