Erfahrungen mit einer deutschsprachigen Version der SIB
Experience with a German Version of the SIB
Abstract
Zusammenfassung: Die SIB (Severe Impairment Battery) wurde in den USA für die Untersuchung kognitiver Funktionen bei Schwerdementen entwickelt. Ziel der hier dargestellten Arbeit war die empirische Anwendung und Überprüfung einer deutschsprachigen Version der SIB hinsichtlich Objektivität, Reliabilität, Konstrukt-Validität und weiterer klinisch relevanter Aspekte. Eine Gruppe von 57 hospitalisierten dementen Patienten verschiedener Ätiologie (42ÿw, 15ÿm; Alter (SD) 83.0 (9.0) Jahre; mittlerer MMSE Score 5.6) wurde untersucht. Ergebnisse: Die SIB zeigte eine hohe Inter-Rater Reliabilität (0.99) und Interne Konsistenz (0.98). Die benötigte Testzeit lag zwischen 20 und 40 Minuten. Die Korrelation des SIB-Gesamtwertes mit dem MMSE-Score betrug 0.91, doch lieferte die SIB bei 11 von 14 Patienten, die im MMSE Nullwerte erreichten, noch Messergebnisse. Mit den kognitiven Dimensionen der NOSGER fanden sich hoch signifikante Korrelationen. Keine signifikanten Zusammenhänge bestanden psychopathologischen Merkmalen, und eine Unterscheidung verschiedener Demenzformen anhand der SIB-Ergebnisse war nicht möglich. Die deutschsprachige SIB kann als ökonomisches, zuverlässiges, empfindliches und valides Instrument zur Erfassung kognitiver Funktionen bei Schwerdementen empfohlen werden.
Summary: The SIB (Severe Impairment Battery) was developed in the USA as an instrument for assessing cognitive functions in severely demented patients. The current study used a German translation of the SIB and was concerned with some practical aspects of the instrument, its objectivity, reliability, construct validity and other clinically relevant issues. Fifty-seven hospitalized patients with dementia of various etiologies (42f., 15ÿm; age (SD)83.0 (9.0) years; mean MMSE score 5.6) were studied. Results:The SIB showed high inter-rater reliability (0.99) and internal consistency (0.98). Time needed for testing was between 20 and 40 minutes. The correlation between the SIB total score and the MMSE-score was 0.91; however, the SIB provided measurable values on 11 of 14 patients who had scored zero on the MMSE. Correlations with the cognitive dimensions of the NOSGER were all highly significant. No significant relationships were found between the SIB total scores and various assessments of psychopathology, and no differential SIB profile was found for several subtypes of dementia. The German version of the SIB can be recommended as an economical, reliable, sensitive and valid instrument to be used in the assessment of cognitive functions of severely demented patients.
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