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目的:分析血清降钙素原(PCT)检测在感染性疾病中的价值.方法:选取我院感染性疾病患者一共50例作为观察组,再选取健康体检者50例作为对照组,收取时间在2015年1月5日至2016年2月10日,对两组受检者的血清降钙素原(PCT)阳性率进行对比.结果:观察组感染性疾病患者血清降钙素原阳性率80.00％高于对照清血清降钙素原阳性率10.00％(P＜0.05).结论:血清降钙素原(PCT)检测在感染性疾病患者具有较高的诊断价值,值得推广和应用.","Objective To analyze the value of serum procalcitonin (PCT) detection in infectious diseases. Methods A total of 50 patients with infectious diseases in our hospital were selected as the observation group, and 50 healthy people were selected as the control group, taking the time from January 5,2015 to February 10, 2016. Two groups of subjects Serum procalcitonin (PCT) positive rates were compared Results The positive rate of procalcitonin in patients with infectious diseases in observation group was 80.00％ higher than that in control group (P＜0.05). Condusion The serum procalcitonin (PCT) test has high diagnostic value in patients with infectious diseases, which is worthy of popularization and application.