• J Psychosom Res · Sep 2005

    Comparative Study

    Spanish version of the Delirium Rating Scale-Revised-98: reliability and validity.

    • Francina Fonseca, Antonio Bulbena, Rosa Navarrete, Núria Aragay, Mercè Capo, Antonio Lobo, and Paula T Trzepacz.
    • Institut d'Atenció Psiquiàtrica, Salut Mental i Toxicomanies, Department of Psychiatry, Hospital del Mar, University Autònoma Barcelona, Passeig Marítim 25-29, Barcelona 08003, Spain.
    • J Psychosom Res. 2005 Sep 1;59(3):147-51.

    ObjectiveThe aim of this study was to investigate the reliability and validity of the Spanish translation of the Delirium Rating Scale-Revised-98 (DRS-R-98).MethodsThirty patients diagnosed of delirium (DSM-IV) by a variety of general hospital medical wards criteria were assessed using the DRS-R-98, MiniMental State Examination (MMSE), Mini Examen Cognoscitivo (MEC; Spanish version of the MMSE) and the Orientation Scale (OS). Independent ratings between two psychiatrists were used to calculate intraclass correlation coefficients (ICCs) for interrater reliability.ResultsThe DRS-R-98 had high interrater reliability for both total and severity scale scores (ICC=.96 for each). The DRS-R-98 severity score significantly correlated (P<.001) with MMSE (r=-.67), MEC (r=-.62) and OS (r=.73). Cronbach's alpha (r=.78 ) indicated high internal consistency of the DRS-R-98.ConclusionThe Spanish translation of the DRS-R-98 has high interrater reliability for both total and severity scale scores, high internal consistency, and very good concurrent validity in relation to other cognitive measures and therefore can be administered to delirious patients.

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