Construction and evaluation of the prediction model for nosocomial infection in ICU
OBJECTIVE To analyze the risk factors for the occurrence of nosocomial infection in ICUs,to construct a prediction model for nosocomial infection in ICU patients and evaluate the predictive value of the Nutritional Risk Screening Tool 2002(NRS2002).METHODS A total of 79 ICU patients with nosocomial infection in Dezhou Hos-pital and Qilu Hospital of Shandong University in 2022 were retrospectively collected and set as the nosocomial in-fection group,and 115 patients without infection were set as the non-infection group.Multivariate Logistic regres-sion model was used to summarize the risk factors for nosocomial infection in ICU patients.The model was evalua-ted by likelihood ratio X2 and goodness of fit test,and the receiver operating characteristic(ROC)curve was used to evaluate the predictive value of the model for ICU nosocomial infection.RESULTS There were significant differ-ences in the NRS2002 score,hospitalization time,hospitalization cost,antibiotic cost,ICU hospitalization time,ventilator use time,central venous catheterization time,acute physiology and chronic health Ⅱ(APACHE Ⅱ)score,discharge outcome,age,history of diabetes,anemia,antibiotic use level,normal albumin,and nomal pre-albumin between the tow groups(P＜0.05);The regression equation of multivariate logistic regression analysis was:Logistic(P)=9.073+1.299 × history of diabetes+0.161 ×ICU hospitalization time+0.088 X central ve-nous catheterization time+0.77× NRS2002 score+0.112× APACHEⅡ score,area under the curve of the logistic regression model was 0.923.CONCLUSION The NRS2002 score,history of diabetes,ICU hospitalization time,central venous catheterization time,and APACHE Ⅱ score were the risk factors for ICU nosocomial infection,and the prediction model for ICU nosocomial infection constructed based on these factors had good predictive value.
ICUNutrition risk screening 2022Nosocomial infectionRisk factorPrediction model
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