Abstract

Background: C-reactive protein (CRP) and procalcitonin (PCT) are useful diagnostic tools used to estimate the risk of bacterial infection and the severity of the infection. The accurate diagnosis of bacterial infection is crucial to avoid unnecessary antibiotic use and to focus on the appropriate therapy. Aim of the work: this study aimed to summarize the sensitivity and specificity of both PCT and CRP and their serum levels as markers in bacterial infection Methods: scientific websites were used to search for articles such as Pubmed and Google Scholar. Several keywords were used to obtain all possible articles about the subject. Conclusion: overall accuracy of PCT markers is higher than that of CRP markers in differentiation of bacterial infections

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