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相关概念视频

Receiver Operating Characteristic Plot01:15

Receiver Operating Characteristic Plot

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A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
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在社区居住的老年人中,基于身体功能的跌倒风险评估的准确性:ROC分析.

Estefania Zamarripa1,2, Kworweinski Lafontant1,2, David H Fukuda1

  • 1Institute of Exercise Physiology and Rehabilitation Science, University of Central Florida, Orlando, FL, USA.

Research in health and medicine
|January 8, 2026
PubMed
概括

定时启动和启动 (TUG) 和短物理性能电池 (SPPB) 在老年人中对跌倒风险查的准确性较低. 压力中心姿势摆动路径长度 (PS) 可能是识别高跌风险的更有效措施.

关键词:
资产负债表的平衡情况预防跌倒 预防跌倒查检查 查检查 查检查

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科学领域:

  • 老年学是一门学科.
  • 生物力学 生物力学
  • 临床评估 临床评估

背景情况:

  • 物理功能评估,如定时起飞 (TUG) 和短物理性能电池 (SPPB),被广泛用于对老年人跌倒风险进行评估.
  • 然而,这些共同的评估可能会错误地分类个人,导致潜在的低估或高估跌倒风险.
  • 压力中心姿势摆动路径长度 (PS) 是跌倒风险的标准衡量标准,但其与TUG和SPPB的比较性能尚未得到充分确立.

研究的目的:

  • 为了比较TUG,SPPB和PS的灵敏度,特异性和准确性,将社区居住的老年人归类为高或低跌倒风险.
  • 为了确定TUG和SPPB是否更适合评估一般的身体功能而不是特定的跌倒风险.
  • 为临床医生提供基于证据的建议,以确定最有效的跌倒风险查工具.

主要方法:

  • 对234名居住在社区的老年人 (平均年龄为75.0±7.0岁) 进行了一项横截面研究.
  • 使用标准切线值:SPPB (<7),TUG (≥20秒) 和PS (>30厘米) 来对参与者进行分类.
  • 使用McNemar测试来比较三个跌倒风险评估之间的分类协议.

主要成果:

  • 姿势摇摆路径长度 (PS) 确定了115名高风险参与者,而TUG确定了10名,SPPB确定了40名.
  • 与PS相比,TUG的灵敏度为4.3%,特异性为95.8%,准确度为50.9%.
  • 与PS相比,SPPB的灵敏度为23.5%,特异性为89.1%,准确度为56.8%.

结论:

  • 与PS相比,TUG和SPPB在识别高跌倒风险方面表现出较低的灵敏度和准确性.
  • 这些发现表明,TUG和SPPB可能是一般身体功能的更好的指标,而不是特定的跌倒风险.
  • 建议临床医生考虑使用PS或其他标准措施来对老年人进行更准确的跌倒风险查.