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Ann Geriatr Med Res > Volume 21(3); 2017 > Article
Annals of Geriatric Medicine and Research 2017;21(3):108-114.
DOI:    Published online September 30, 2017.
Association Between Computerized Reaction Time, Short Physical Performance Battery and Berg Balance Scale in the Community-Dwelling Older Adults
Boram Kim, Chang Won Won, Jin Young Min, Sunyoung Kim, Miji Kim, Byung Sung Kim, Hyunrim Choi, Joosun Hong
<sup>1</sup>Department of Family Medicine, College of Medicine, Kyung Hee University, Seoul, <sup>2</sup>Institute of Health and Environment, Seoul National University, Seoul, <sup>3</sup>Department of Medicine, Graduate School, Kyung Hee University, Seoul, <sup>4</sup>College of Medicine/East-West Medical Research Institute, Kyung Hee University, Seoul, Korea
Correspondence:  Chang Won Won,
Falls, in older adults, can worsen physical functioning and lead to serious complications. Thus, as a means of preventive intervention, this high-risk group should be screened. The aim of the present study was to investigate whether reaction time is clinically applicable as a fall risk assessment tool.
The study participants were community-dwelling older adults aged 65 years or older, who scored 24 or more in the Korean version of the Mini-Mental State Examination, and did not have difficulty with communication and comprehension. To investigate the relationship between hand reaction time and fall risk, we used items from a recently developed computerized apparatus, which includes 2 fall risk assessment tools: the Short Physical Performance Battery (SPPB) and Berg Balance Scale (BBS).
Reaction time was negatively correlated with the total SPPB (r=−0.314, p<0.001) and BBS scores (r=−0.164, p<0.001); the scores were higher when reaction times were lower. Multiple linear regression analyses also showed that the total SPPB (β=−0.30; 95% confidence interval [CI], −0.26 to −0.02) and BBS scores (β=−0.14; 95% CI, −0.26 to −0.02) significantly increased as the reaction time decreased.
Reaction time was significantly correlated with the SPPB and BBS, confirming the possibility of its use in tools for fall risk assessment.
Key Words: Accidental falls, Reaction time, Physical activity, Prevention

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