CALCA and Neonatal sepsis: A recent literature review performed by Eschborn et al., which evaluated the diagnosis performance of PCT and CRP for neonatal sepsis, indicated a mean sensitivity of 73.6% and a mean specificity of 82.8% of PCT for EOS sepsis, higher than the diagnostic performance of CRP (mean sensitivity: 65.6% and mean specificity: 82.7%) [12].