Unverified80% confidenceTradeoffTime unknown
手指(指骨)超声检测设备便携性最好但精度和临床相关性最差,跟骨检测在超声类中与DXA相关性相对最高;预算允许时优先跟骨型而非手指型
1
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80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified选家用筛查仪优先选足跟超声(QUS)机型而非手指式:足跟以松质骨为主、代谢活跃,其骨密度与髋部DXA相关性更好,是国际公认的外周超声筛查首选部位;手指式便携但相关性和临床价值较低86% similarUnverified跟骨(脚跟)检测比手腕/手指检测更接近承重骨状态,与髋部DXA相关性更高,家用筛查优先选跟骨式设备81% similarUnverified足跟是外周超声骨密度检测中与中轴骨(髋部/脊柱)DXA结果相关性较好的部位,优于手指和桡骨超声78% similarUnverified手指式(指骨)超声骨密度仪体积小便携但测量重复性差、受软组织厚度和手指位置影响大,误差通常高于跟骨式,仅适合快速大规模初筛而非个人趋势追踪76% similarUnverified指夹式(透射式)精度高、成本低但无法运动中佩戴;腕带式(反射式)可连续运动监测但静息精度略低于指夹。要临床级精度选指夹,要运动趋势监测选腕带,两者不可互相替代75% similar
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