Abstract
PurposeThe aim of this meta-analysis was to clarify the diagnostic role of plasma BNP and NT-proBNP in predicting mortality for septic patients. MethodsA systematic review was conducted prior to January 2018. Summary sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR) and diagnostic odds ratio (DOR) of the prognostic value of plasma BNP and NT-proBNP for septic patients. The area under the receiver operating curves (AUROC) were used to summarize overall test performance. ResultsTwenty-two studies with 3417 septic patients were selected in the analysis. The summary sensitivity, specificity, PLR, NLR, DOR and the AUROC of the overall analysis of BNP were: 0.84, 0.73, 3.1, 0.22, 14, 0.85; and these values of NT-proBNP were: 0.71, 0.73, 2.6, 0.39, 7 and 0.7 respectively; Subgroup analysis and meta-regression analyses showed that the tested method and observation endpoint influenced the summary sensitivity, specificity of BNP, but the tested day, tested method or observation endpoint did not influence the summary sensitivity, specificity of NT-proBNP. ConclusionsThis meta-analysis indicates that both elevated plasma BNP and NT-proBNP have moderate predicts value for the mortality of septic patients, and the tested method and observation endpoint influence the results of BNP.
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