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Effect of Age and Gender on Diagnostic Accuracy of ECG Diagnosis of Acute Myocardial Infarction

机译:年龄和性别对急性心肌梗死心电图诊断诊断准确性的影响

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Recently published ACC/ESC criteria for acute MI were not age and gender dependent. The aim of this study was to modify the criteria by incorporating age and gender based limits of ST amplitude, together with other ST-T measures, and to assess the effect on sensitivity etc. A database of 789 ECGs from patients presenting with acute chest pain was used to develop criteria along with 1498 ECGs from normal individuals whose ECGs were used to control specificity. A third database of 1220 ECGs was also available as a test set. The sensitivity of the new criteria increased from 41.5% to 46.8% while specificity improved from 96% to 98.5%. Similar improvements were seen for males and females. With respect to age, specificity improved in all deciles. Sensitivity decreased slightly in the middle deciles but improved dramatically for the remainder. Age and gender based criteria markedly improved sensitivity and specificity of ECG criteria for acute MI.
机译:最近公布的ACC / ESC急性MI的标准不是年龄和性别依赖。本研究的目的是通过将年龄和基于ST幅度的ST幅度的限制与其他ST-T测量一起进行修改标准,并评估对敏感性的影响等。患者患有急性胸痛的患者789个ECG的数据库用于制定标准以及来自298个ECG的正常个人,其ECG用于控制特异性。 1220个ECG的第三个数据库也可作为测试集提供。新标准的敏感度从41.5%增加到46.8%,而特异性从96%提高到98.5%。对于男性和女性来说,观察了类似的改进。关于年龄,特异性在所有数量上都有改善。敏感度在中间减排中略微下降,但剩余部分急剧提高。年龄和性别基数标准显着提高了急性MI的ECG标准的敏感性和特异性。

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