A study of the discriminative properties of the Six-Spot Step Test in people with Parkinson's disease at risk of falling

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BACKGROUND: Clinical tests that can discriminate between people at risk of falling and those not at risk are warranted. The discriminative properties of the Six-Spot Step Test was investigated in people with Parkinson's disease at risk of falling. METHODS: Eighty-one participants with a median age of 69 years (Q1-Q3:63-74) and a median Hoehn and Yahr score of 2.5 (Q1-Q3:2-3) completed the Six-Spot Step Test and the Timed 'Up and Go' test. A mini-BESTest score of 19 or below was used as a cut-off for defining risk of falling, and a receiver operating characteristics curve was generated to determine clinical relevant cut-off scores. RESULTS: A cut-off score of 7.0 and 6.8 seconds identified people not at risk of falling, while 11.1 and 9.4 seconds identified people at risk of falling for the Six-Spot Step Test and the Timed 'Up and Go' test, respectively. When maximizing the sensitivity and specificity a cut-off score of 9.2 (accuracy of 84%) and 8.1 seconds (accuracy of 70%) was found for the Six-Spot Step Test and the Timed 'Up and Go' test, respectively. CONCLUSION: The Six-Spot Step Test discriminates accurately between people with Parkinson's disease at risk of falling and people not at risk.

OriginalsprogEngelsk
TidsskriftNeuroRehabilitation
Vol/bind45
Nummer2
Sider (fra-til)265-272
Antal sider8
ISSN1053-8135
DOI
StatusUdgivet - nov. 2019

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