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血清脂肪酶测定色团底物法的方法学和临床评价 被引量:2

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摘要 目的 评价脂肪酶测定———色团底物法的各项技术指标和临床诊断的准确性。方法 用NCCLS的评价方案对本法的线性、精密度、方法比较和干扰作评价 ,并用ROC曲线对本法的临床诊断准确性作评价。结果 本法线性范围为 3~ 330U/L ;精密度 :批内CV <1.5 % ,总CV <5 .0 % ;本法 (Y)和比浊法 (X)比较有良好的相关 ,Y =0 .2 89X +6 .75 ,r=0 .937,n =4 6。Hb <1g/L ,Bil<10 0 μmol/L和TG <10mmol/L均无干扰。临床评价证实 ,本测定对急性胰腺炎的敏感性为 90 % ,特异性为 93% ,ROC的曲线下面积为 0 .95 6 ,有较高的临床诊断准确性。结论 本法的各项技术指标均优于其他脂肪酶测定方法。
出处 《临床检验杂志》 CAS CSCD 北大核心 2003年第3期162-164,共3页 Chinese Journal of Clinical Laboratory Science
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