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In a linear calibration curve, there is a value called the calibration coefficient, denoted by 'r,' which measures the strength and the direction of association between two variables. The correlation coefficient value ranges from −1 to +1. A value of +1 indicates a perfect positive linear correlation, −1 denotes a perfect negative correlation, and 0 implies no correlation between the two variables. A positive correlation value establishes that as one variable increases, the...
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神经响应遥测测量测量与适配水平之间的相关性

Mihael Ries1, Iva Kelava2, Jakov Ajduk1

  • 1Department of Otorhinolaryngology, Sisters of Charity University Hospital Center, Vinogradska Cesta 29, Zagreb, Croatia; School of Medicine, University of Zagreb, Šalata 3a, Zagreb, Croatia.

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概括

植入后12个月测量的唤起动作潜力 (ECAP) 值与耳植入物安装水平相对应最好. 位于耳中部区域的电极11显示了对值和舒适度的最强的预测.

关键词:
幅度增长函数的增长函数是耳植入物可以使用耳植入物.唤起了行动潜力.阻抗 阻抗是一种阻抗.神经响应远程测量神经响应.

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科学领域:

  • 听力学 听力学是指听力学.
  • 神经外科 神经外科
  • 生物医学工程 生物医学工程

背景情况:

  • 神经响应遥测 (NRT) 评估了耳植入物功能和听觉神经响应.
  • 之前的研究表明,NRT与主观适应水平 (T和C) 之间存在不一致的相关性.
  • 确定适配级别的最具预测性的NRT测量仍然不清楚.

研究的目的:

  • 为了确定哪种NRT测量最能预测耳植入物适配水平.
  • 为了比较阻抗 (IMP),唤起的动作潜力 (ECAP) 值和幅度增长函数 (AGF) 斜率.
  • 为了确定具有最强的NRT-to-fitting水平相关性的耳区域.

主要方法:

  • 对31名带有耳植入物的儿童进行了回顾性研究.
  • 在手术期间和手术后12个月记录的NRT测量 (IMP,ECAP值,AGF).
  • 在手术后12个月评估的主观T和C水平.

主要成果:

  • 12个月的ECAP值与所有测试电极的T和C水平有显著的相关性 (5, 11, 19).
  • IMP与C水平相关,AGF显示与T水平相关的趋势,但并不总是显著的.
  • 手术后12个月的NRT测量比手术期间更具预测性.

结论:

  • 在预测T和C值方面,ECAP值优于AGF斜率和IMP.
  • 术后晚期的NRT测量 (12个月) 可以更好地预测适应水平.
  • 电极11 (中耳区域) 显示了最高的相关性,这表明这个区域是预测合适水平的关键.