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线性探针技术快速检测耐药结核分枝杆菌的应用评价 被引量:1

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摘要 目的评价线性探针技术(Geno-Type~?MTBDRplus)检测结核分枝杆菌耐药性的可靠性和及时性。方法用线性探针技术对240株结核分枝杆菌进行利福平、异烟肼耐药性检测,以比例法药敏试验作为金标准,比较线性探针法与比例法药敏试验耐药结果的符合程度,评价其准确性和应用价值,同时比较二者检测报告时间。结果与比例法相比较,线性探针技术检测异烟肼敏感性96.8%,特异性95.3%;阳性预测值97.4%,阴性预测值94.3%;检测利福平敏感性95.8%,特异性91.8%;阳性预测值94.4%,阴性预测值93.4%。比例法检出耐多药88例,检出率为36.7%,线性探针法检出耐多药87例,检出率36.3%,一致率为98.9%,检测耐多药的敏感度98.9%,特异性100%;阳性预测值100%,阴性预测值99.3%,两种方法检出率差异无统计学意义(校正x^2=0.0000,P=1.0000)。结论线性探针技术检测利福平、异烟肼耐药性与比例法具有高度一致性,有较高的敏感性和特异性,而且操作简便、结果准确,报告时间短,可以作为地市级快速检测结核分枝杆菌耐药性的方法。
出处 《当代医学》 2017年第13期108-110,共3页 Contemporary Medicine
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