一种广泛使用的外周皮肤振动觉敏感性测试的可靠性以及两种测试方案的比较。
Reliability of a widely used test of peripheral cutaneous vibration sensitivity and a comparison of two testing protocols.
作者信息
Gerr F E, Letz R
机构信息
Division of Environmental and Occupational Medicine, Mount Sinai School of Medicine, New York, NY 10029.
出版信息
Br J Ind Med. 1988 Sep;45(9):635-9. doi: 10.1136/oem.45.9.635.
Quantitative, non-invasive instruments for assessing peripheral sensory function are being used in many epidemiological investigations of workplace hazards. To be useful in this context such tests should have high reliability and short administration time. The reliability and time efficiency of two testing protocols for determining cutaneous vibration sensitivity (vibration threshold) were compared in 22 healthy volunteers. Both methods were administered using a widely used testing device (Vibratron II). The first testing protocol was a two alternative "forced choice" method recommended by the instrument manufacturer. The second protocol was a "yes-no" method of limits procedure. Each subject's dominant index finger was tested with both methods on two occasions to compare their reliability. In these well educated subjects the method of limits procedure was found to be substantially more reliable and was much less time consuming than the recommended forced choice procedure. The simpler method of limits procedure may be preferable to the forced choice method in certain test conditions.
在许多关于工作场所危害的流行病学调查中，正在使用定量、非侵入性的仪器来评估外周感觉功能。在这种情况下，此类测试要有用，就应具有高可靠性且测试时间短。在22名健康志愿者中比较了两种用于确定皮肤振动敏感性（振动阈值）的测试方案的可靠性和时间效率。两种方法均使用一种广泛使用的测试设备（Vibratron II）进行。第一种测试方案是仪器制造商推荐的二选一“强制选择”方法。第二种方案是极限法的“是或否”方法。在两个不同场合，用这两种方法对每个受试者的优势食指进行测试，以比较它们的可靠性。在这些受过良好教育的受试者中，发现极限法比推荐的强制选择法可靠得多，且耗时少得多。在某些测试条件下，更简单的极限法可能比强制选择法更可取。
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