作为世界布指南算法的一部分,对平衡和移动性测试的前性评估
Stephanie Saunders1, Mark Speechley2, Lauren E Griffith3,4
1School of Rehabilitation Science, Faculty of Health Sciences, McMaster University, Hamilton ON, Canada.
Age and ageing
|February 16, 2026
概括
共同平衡和移动性测试对预测老年人跌倒的能力有限. 将这些测试集成到世界布指南算法中并没有改善落风险评估.
科学领域:
- 老年学是一门学科.
- 公共卫生 公共卫生
- 生物医学工程 生物医学工程
背景情况:
- 跌倒是老年人受伤的主要原因.
- 目前的指导方针建议在评估落风险时进行平衡和移动性测试.
- 这些测试的预测准确性及其对风险分层的影响尚不清楚.
研究的目的:
- 为了评估共同平衡和流动性测试对社区居住的老年人未来跌倒的预测有效性.
- 确定将这些测试纳入世界布指南 (WFG) 算法是否可以改善落风险分层.
主要方法:
- 一项为期12个月的前性队列研究,涉及514名居住在社区的老年人 (≥65岁).
- 评估平衡和移动性使用定时启动和移动 (TUG) 测试,简短的BEST测试,五次坐立,单腿姿势 (SLS) 和步行速度.
- 使用月度日历和季度访谈来预期记录下来的下降.
主要成果:
- 52%的参与者在12个月的随访期间至少有一次跌倒.
- 预测跌倒的曲线下的面积 (AUC) 值在0.561 (SLS) 到0.70 (伤害性跌倒的步行速度) 之间.
- 将移动性测试添加到WFG算法中增加了低风险个体的比例,从41%降至56%.
结论:
- 标准的平衡和移动性测试表明,对老年人未来跌倒的预测能力有限.
- 将这些测试集成到WFG算法中并没有提高跌倒风险分层的准确性.
- 需要进一步的研究来开发更有效的跌倒风险评估工具.
相关概念视频
00:54Ratio Level of Measurement
13.7K
The way a set of data is measured is called its level of measurement. Correct statistical procedures depend on a researcher being familiar with levels of measurement. For analysis, data are classified into four levels of measurement—nominal, ordinal, interval, and ratio.
A set of data measured using the ratio scale takes care of the ratio problem and provides complete information. Ratio scale data are like interval scale data, except they have a zero point and ratios can be calculated....
A set of data measured using the ratio scale takes care of the ratio problem and provides complete information. Ratio scale data are like interval scale data, except they have a zero point and ratios can be calculated....
13.7K
01:12Instrument Calibration
1.4K
Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
Analytical Balance Calibration
An analytical balance measures mass and requires regular calibration to...
Analytical Balance Calibration
An analytical balance measures mass and requires regular calibration to...
1.4K
01:15Types of Aggregate Grading
1.9K
Aggregate grading is crucial in economically obtaining a concrete mix with adequate strength, reasonable workability, and minimal segregation. There are four types of aggregate gradation: well-graded, uniformly (or one-sized) graded, gap-graded, and open-graded.
Well-graded aggregates include a complete range of necessary size fractions that fit together to create a dense matrix with minimal voids, represented by a smooth, continuous gradation curve. This type of grading ensures good...
Well-graded aggregates include a complete range of necessary size fractions that fit together to create a dense matrix with minimal voids, represented by a smooth, continuous gradation curve. This type of grading ensures good...
1.9K
01:14Testing Water Quality
634
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
634
01:12Differential Leveling
949
Differential leveling is a precise method in surveying used to determine the elevation difference between two points. Its primary goal is to establish accurate vertical measurements to create level surfaces or grade lines critical for designing and constructing infrastructures such as roads, bridges, and buildings.The procedure for differential leveling begins with setting up and leveling the instrument at a point where the benchmark can be seen. The level rod is held on the benchmark (BM), and...
949
01:19Design Example: Maintaining Level of an Embankment
548
Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
548