强调在超声波肌肉厚度诊断中区分系统和随机测量错误的相关性
Lars Hubertus Lohmann1,2, Martin Hillebrecht3, Stephan Schiemann4
1University Sport Center, Carl von Ossietzky University Oldenburg, Oldenburg, Germany. lohmannlars@gmx.de.
Sports medicine - open
|August 15, 2024
概括
对肌肉厚度的超声波成像是常见的,但绝对测量误差往往被忽视. 这项研究强调了考虑系统和随机错误对于准确的科学和临床解释的重要性.
科学领域:
- 肌肉骨研究的研究.
- 生物医学成像学 生物医学成像学
- 运动科学运动科学
背景情况:
- 超声波成像广泛用于肌肉研究,但绝对测量误差经常被忽视.
- 之前的研究指出,人们对超声波研究中的随机测量误差缺乏认识.
- 仅专注于相对可靠性指数限制了科学和临床环境中的解释性.
研究的目的:
- 为了评估超声波导出的肌肉厚度的绝对测量误差.
- 评估测量误差在研究和临床应用中的实际影响.
- 强调需要进行超出相对可靠性的全面错误分析.
主要方法:
- 分析了来自400多张超声波图像的1512个肌肉厚度测量结果.
- 在四次测试中连续两天收集的数据,以评估可重复性.
- 计算常见可靠性指标 (ICC,CV,SEM,MDC) 和基于证据的协议分析.
主要成果:
- 类内相关系数 (ICCs) 范围从0.832到0.998,与现有文献保持一致.
- 平均绝对百分比误差在1.34%至20.38%之间.
- 平均系统偏差在0.78毫米至4.01毫米之间,具有统计学意义 (p ≤0.013).
结论:
- 超声波肌肉厚度研究中的相对可靠性值需要谨慎解释,因为有系统和随机测量错误.
- 纳入绝对测量误差统计对于确定干预前后变化的有效性至关重要.
- 这项研究主张包括各种测量错误统计数据,以提高研究中证据的确定性.
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