Physical Therapy Rehabilitation Science

  • 제7권2호
  • /
  • Pages.54-60
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  • 2018
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  • 2287-7576(pISSN)
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  • 2287-7584(eISSN)
물리치료재활과학회 (korean Academy of Physical Therapy Rehabilitation Science)
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Receiver operating characteristic curve analysis of the timed up and go test as a predictive tool for fall risk in persons with stroke: a retrospective study

  • Lim, Seung-yeop (Education Team, Apsuninc) ;
  • Lee, Byung-jun (Department of Physical Therapy, College of Health Science and Social Welfare, Sahmyook University) ;
  • Lee, Wan-hee (Department of Physical Therapy, College of Health Science and Social Welfare, Sahmyook University)
  • 투고 : 2018.03.27
  • 심사 : 2018.04.26
  • 발행 : 2018.06.30
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초록

Objective: Persons with chronic stroke fall more often than healthy elderly individuals. The Timed Up and Go test (TUG) is used as a fall prediction tool, but only provides a result for the total measurement time. This study aimed to determine the optimal cut-off values for each of the 6 components of the TUG. Design: Retrospective study. Methods: Thirty persons with chronic stroke participated in the study. TUG evaluation was performed using a wearable miniaturized inertial sensor. Sensitivity, specificity, and predictive values were calculated using the Receiver Operating Characteristic (ROC) curve analysis for the measured values in each section. Optimal values for fall risk classification were determined. Logistic regression analysis was used to investigate the risk of future falls based on TUG. Results: The cut-off values of the 6 sections of the TUG were determined, as follows: sit-to-stand >2.00 seconds (p<0.05), forward gait >4.68 seconds (p<0.05), mid-turn >3.82 seconds (p<0.05), return gait >4.81 seconds (p<0.05), end-turn >2.95 seconds (p<0.05), and stand-to-sit >2.13 seconds (p<0.05). The risk of falling increased by 2.278 times when the mid-turn value was >3.82 seconds (p<0.05). Conclusions: The risk of falls increased by 2.28 times when the value of the mid-turn interval exceeded 3.82 seconds. Therefore, when interpreting TUG results, the predictive accuracy for falls will be higher when the measurement time for each section is analyzed, together with the total time for TUG.

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참고문헌

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피인용 문헌

  1. Reliability of the infrared motion-time acquisition system for each motion segment in the timed up-and-go test vol.33, pp.8, 2021, https://doi.org/10.1589/jpts.33.580