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超声射频信号血管内中膜分析技术与手动测量颈动脉内-中膜厚度的结果比较 被引量:3

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摘要 目的比较超声射频信号血管内中膜分析技术(QIMT)与手动法测量颈动脉内-中膜厚度(IMT)的结果差别。方法分别以QIMT和手动法对1109例健康体检人员的左右颈动脉IMT进行测量,分别计算两种方法的IMT平均数和标准差并进行差别显著性检验,同时以相关分析法分析两法IMT均数与年龄的相关性。结果 QIMT测量的均数低于手动测量的均数,左右侧均数差值分别为91μm和93μm,两种方法测量颈动脉IMT的结果有显著性差别(左右侧t值分别为24.066和23.788,P均<0.01),QIMT组IMT均数与年龄的直线趋势吻合性和相关系数(QIMT左右r值分别为0.997和0.993,手动法左右r值分别为0.989和0.985)优于手动组。结论 QIMT测量颈动脉IMT的精度优于手动测量法,两法的测量结果有显著性差别,因此在用IMT作为评价指标时应注意对两种方法的测定值进行校正。
出处 《中华临床医师杂志(电子版)》 CAS 2013年第11期155-156,共2页 Chinese Journal of Clinicians(Electronic Edition)
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