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首页> 外文期刊>Journal of athletic training >Statistical Primer for Athletic Trainers: The Essentials of Understanding Measures of Reliability and Minimal Important Change
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Statistical Primer for Athletic Trainers: The Essentials of Understanding Measures of Reliability and Minimal Important Change

机译：体育训练员的统计入门资料：了解可靠性和最小重要变化的量度的要点

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Objective: To describe the concepts of measurement reliability and minimal important change. Background: All measurements have some magnitude of error. Because clinical practice involves measurement, clinicians need to understand measurement reliability. The reliability of an instrument is integral in determining if a change in patient status is meaningful. Description: Measurement reliability is the extent to which a test result is consistent and free of error. Three perspectives of reliability—relative reliability, systematic bias, and absolute reliability—are often reported. However, absolute reliability statistics, such as the minimal detectable difference, are most relevant to clinicians because they provide an expected error estimate. The minimal important difference is the smallest change in a treatment outcome that the patient would identify as important. Recommendations: Clinicians should use absolute reliability characteristics, preferably the minimal detectable difference, to determine the extent of error around a patient's measurement. The minimal detectable difference, coupled with an appropriately estimated minimal important difference, can assist the practitioner in identifying clinically meaningful changes in patients.
机译：目的：描述测量可靠性和最小重要变化的概念。背景：所有测量都有一定程度的误差。由于临床实践涉及测量，因此临床医生需要了解测量的可靠性。仪器的可靠性对于确定患者状态的变化是否有意义至关重要。描述：测量可靠性是测试结果一致且无错误的程度。经常会报道可靠性的三个角度：相对可靠性，系统偏差和绝对可靠性。但是，绝对可靠性统计信息（例如最小可检测差异）与临床医生最为相关，因为它们提供了预期的误差估计。最小的重要差异是患者认为重要的治疗结果中的最小变化。建议：临床医生应使用绝对可靠性特征（最好是最小可检测差异）来确定患者测量结果周围的误差程度。最小可检测差异，加上适当估计的最小重要差异，可帮助从业人员确定患者的临床意义变化。

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