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目的探讨老年患者医院血流感染的危险因素。方法对老年医院血流感染患者采用1∶1配比的病例对照研究方法,采用多因素logistic回归分析。结果多因素logistic回归分析显示,有感染史(OR=14.075)、白蛋白<35 g/L(OR=4.155)、血糖>6.1 mmol/L(OR=3.459)、中性粒细胞<2.0×109/L(OR=7.417)、中心静脉置管≥14 d(OR=100.465)是老年患者医院血流感染发生的主要危险因素。结论应针对各种危险因素采取有效的预防措施,减少老年患者医院血流感染的发生。
Objective To explore the risk factors of bloodstream infection in elderly patients. Methods A 1: 1 ratio case-control study was used in elderly patients with bloodstream infection, using multivariate logistic regression analysis. Results Multivariate logistic regression analysis showed that there was a history of infection (OR = 14.075), albumin <35 g / L (OR = 4.155), blood glucose> 6.1 mmol / L /L(OR=7.417). Central venous catheterization for 14 days (OR = 100.465) was the main risk factor for nosocomial bloodstream infections in elderly patients. Conclusion Effective preventive measures should be taken for all kinds of risk factors to reduce the occurrence of bloodstream infections in elderly patients.