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01.08.2011 | Originalarbeit | Ausgabe 4/2011

Zeitschrift für Gerontologie und Geriatrie 4/2011

Development of the Lie-to-Sit-to-Stand-to-Walk Transfer (LSSWT) test for early mobilization in older patients in geriatric rehabilitation

Zeitschrift:
Zeitschrift für Gerontologie und Geriatrie > Ausgabe 4/2011
Autoren:
A. Reicherz, M. Brach, J. Cerny, S. Nicolai, C. Becker, U. Lindemann

Abstract

Background

Early discharge from a rehabilitation center is only possible, if patients are able to do basic transfers independently (e.g., get up from bed and walk to the toilet). Against this background, the Lie-to-Sit-to-Stand-to-Walk Transfer (LSSWT) test was developed in order to quantify complex transfer abilities in older adults. This study was to evaluate the reliability and validity of this instrument.

Material and methods

A total of 24 older patients (80.25±8.10 years) of a geriatric rehabilitation unit performed the LSSWT test. Expert ratings were used to measure criterion validity. The Timed Up & Go test (TUG) was administered to assess construct validity. Furthermore, the time score of the LSSWT test was correlated with the Trunk Control Test (TCT), balance performance, the Chair Stand Test (CST) and gait speed. Intra- and interrater reliability were measured, conducting the LSSWT test on consecutive days.

Results

The coefficients of correlation between the LSSWT test and the expert ratings as well as the TUG test were r=−0.82 and r=0.83, respectively. Furthermore, the association with the TCT, balance, CST, and gait speed were r=−0.51, r=−0.45, r=0.47, and r=−0.72, respectively. The results of intrarater reliability and interrater reliability were ICC=0.96 and ICC=0.77, respectively.

Conclusion

The study shows that the LSSWT test is a valid measure for quantifying difficulties in transfer abilities of patients during geriatric rehabilitation. The good correlation between LSSWT test and TUG test indicates good construct validity, but also that the LSSWT test provides additional information. Interrater reliability was moderate; therefore, the training of the supervisors should be re-evaluated. Further research is needed to establish cut-off values for discharge decision and to analyze the use of the LSSWT test in different subgroups.

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