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目的:探讨血清降钙素原(procalcitonin，PCT)检测对于外伤性眼内炎诊断的价值。方法:回顾性病例对照研究。收集郑州大学第一附属医院2018年1月至2019年11月初诊的外伤性眼内炎51例(51只眼)为观察组，同期1∶1配对的白内障51例(51只眼)为对照组，对比分析两组PCT、白细胞(WBC)及中性粒细胞(NE)检测的差异性与相关性，绘制受试者工作特征(ROC)曲线评估PCT对外伤性眼内炎诊断的价值，并探究PCT、年龄、性别、就诊前天数等因素与预后的关系。结果:PCT与WBC及NE有良好的相关性，观察组的这3项指标均高于对照组(n P0.030 5 ng/mL时可考虑全身使用抗生素。“,”Objective:To investigate the value of serum procalcitonin (PCT) detection on the diagnosis of traumatic endophthalmitis.Methods:This was a retrospective case-control study.A total of 51 eyes of 51 cases with traumatic endophthalmitis newly diagnosed in the First Affiliated Hospital of Zhengzhou University from Jan.2018 to Nov.2019 were collected as the observation group, and matched 51 eyes of 51 cases with cataract during the same period as the control group.The differences and correlations of PCT, white blood cell count (WBC), and neutrophil count (NE) were compared between the two groups.Receiver operating characteristic(ROC) curve was drawn to evaluate the value of PCT in diagnosing traumatic endophthalmitis.Logistic regression was used to explore the relationship of prognosis with PCT, age, gender and days before treatment.Results:PCT had a good correlation with WBC and NE.PCT, WBC and NE in the observation group were higher than those in the control group.And the differences were statistically significant between the two groups (n P0.030 5 ng/mL, systemic antibiotics may be considered.