Slower gait speed predicts decline in Instrumental Activities of Daily Living in community-dwelling elderly: 3-year prospective finding from Living Profiles of Older People Survey in Korea
作者： Seonghun Hong , Sunyoung Kim , Jinho Yoo , Byung Sung Kim , Hyun Rim Choi
DOI: 10.1016/J.JCGG.2016.05.002
关键词: Cutoff point 、 Older people 、 Gerontology 、 Hazard ratio 、 Activities of daily living 、 Confidence interval 、 Screening tool 、 Population 、 Gait speed 、 Medicine
摘要: Abstract Background/Purpose Slower gait speed is a good predictor of falls, dependency, disability, and mortality. However, the cutoff point to best predict bad outcomes controversial. The purpose this study was determine that predicts Instrumental Activities Daily Living (IADL) dependency. Methods targeted 8000 people aged ≥ 65 years who had been enrolled in 2008 followed up 2011 for Profiles Older People Survey Korea. population divided into an independent group dependent with Korean (K-IADL) scores 10 and ≥ 11, respectively. measured as time taken walk 2.5 m at usual pace without any help, result two trials chosen analysis. Results area under curve highest (0.642) 0.6 m/s, sensitivity specificity 68.44% 55.09%, dependency hazard ratio IADL statistically significant less than 1.974 (95% confidence interval, 1.646–2.367). also same after adjusting all relevant variables, 1.613 1.332–1.955). Conclusion 0.6 m/s may be considered new standard screening tool aged ≥ 65 years.
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