生态落预测在患有轻度认知障碍,落高风险的患者的敏感性,特异性和准确性
Chaesu Kim1,2, Haeun Park1,2, Joshua Sung You1,2
1Sports Movement Artificial-Intelligence Robotics Technology (SMART) Institute, Department of Physical Therapy, Yonsei University, Wonju 26493, Republic of Korea.
Sensors (Basel, Switzerland)
|August 12, 2023
概括
这项研究开发了一种姿势摇摆检测 (PSD) 系统,用于预测轻度认知障碍 (MCI) 的老年人跌倒. 该系统在现实环境中表现出良好的灵敏度和特异性.
科学领域:
- 老年学是指老年学的学科.
- 神经学 神经学
- 生物医学工程 生物医学工程
背景情况:
- 对于患有轻度认知障碍 (MCI) 的老年人来说,跌倒是一个显著的风险.
- 增加的姿势摆动与跌倒有关,但在现实环境中的研究有限.
- 需要有效的姿势摇摆检测 (PSD) 系统来预测MCI人群的跌倒.
研究的目的:
- 评估新型PSD系统的跌落预测灵敏度,特异性和准确性.
- 评估MCI患者在生态环境中的系统性能.
- 确定系统在落户者和非落户者之间进行区分的能力.
主要方法:
- 一组由40名健康的年轻人和患有MCI且患有高跌倒风险的老年人组成的队列参与了这项研究.
- 在生态环境中使用PSD系统测量姿势摇摆.
- 用接收器操作特征 (ROC) 曲线和曲线下的面积 (AUC) 来分析数据.
- 同时记录Berg平衡尺度和定时上升和去测试进行.
主要成果:
- 降落预测灵敏度在0.82到0.99.9之间.
- 秋季预测的特异性在0.69和0.90之间变化.
- 预测跌倒的准确性在0.53到0.81.8之间.
- 该PSD系统显示了合理的歧视能力.
结论:
- 开发的PSD系统表明,在患有MCI的老年人中,有潜力区分失败者和非失败者.
- 该系统对预测这种人群在现实世界环境中的跌倒非常有希望.
- 在生态环境中进一步验证PSD系统是有必要的.
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