方法比对如何做 How to do method comparison

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方法比对（Method Comparison）是评估两种或多种分析、测量或操作方法之间一致性、差异性和可替代性的系统性过程。


它广泛应用于医学检验、实验室分析、工业检测、质量控制、研发验证等领域，目的是判断新方法是否可以替代现有方法，或确认不同设备/人员/流程之间的结果是否可靠。

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Method Comparison is a systematic process of evaluating the consistency, differences, and substitutability between two or more analytical, measurement, or operational methods. It is widely used in fields such as medical testing, laboratory analysis, industrial testing, quality control, and research and development validation, with the aim of determining whether new methods can replace existing methods or confirming the reliability of results between different equipment/personnel/processes.

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问题示例
为什么要比对？验证新设备能否替代旧设备
比对哪两种方法？手工测量 vs 自动化仪器检测
比对什么指标？测量精度、重复性、效率、成本等
判断标准是什么？差异小于5%即认为可接受