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目的:研究临床生化检验准确性影响因素,旨在为加强生化检验质量管理提供参考和借鉴。方法:前瞻性选取浙江省宁海县疾病预防控制中心检验科2014年接收的520例患者生化检验血液标本,分析采血部位、采血时间、送检时间、标本容量等因素对检验结果的影响,并据此制定相关的管理措施。结果:520份血液标本中,检验结果出现误差主要因素为采血部位、送检时间>1小时、溶血标本,且和检验结果准确性存在明确相关性(P<0.05)。结论:合理选择血液采集部位、控制采血和送检时间及标本容量,能有效提高血液标本质量,提高生化检查结果的准确性。
Objective: To study the influencing factors of the accuracy of clinical biochemical tests and to provide references for strengthening the quality control of biochemical tests. Methods: We prospectively selected 520 biochemical blood samples from 520 laboratory patients of Ninghai County Center for Disease Control and Prevention in Zhejiang Province in 2014, and analyzed the influence of blood sampling location, blood collection time, delivery time and specimen volume on the test results. This formulates the relevant management measures. Results: Among the 520 blood samples, the main factors of the error in the test results were blood sampling sites, delivery time> 1 hour, and hemolysis samples, which were in clear correlation with the accuracy of test results (P <0.05). Conclusion: Reasonable choice of blood collection site, control of blood collection and delivery time and specimen volume, can effectively improve the quality of blood samples and improve the accuracy of biochemical test results.