The accuracy of C-reactive protein, procalcitonin, and s-TREM-1 in the prediction of serious bacterial infection in neonates

Michal Stein, Anita Schachter-Davidov, Ilan Babai, Diana Tasher, Eli Somekh*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In this prospective study, we examined the usefulness of C-reactive protein (CRP), soluble triggering receptor expressed on myeloid cells (s-TREM-1), and procalcitonin (PCT), in identifying serious bacterial infection (SBI) among neonates. Infants younger than 3 months with suspected SBI were included and serum concentrations of CRP, PCT, and s-TREM-1 were determined. Results. A total of 112 patients (19 with SBI and 93 with negative cultures) were evaluated. There were no statistical differences between the 2 groups regarding age, presence of fever, and serum concentrations of the different biomarkers. Performance of the different biomarkers were as follows: The sensitivities were 45%, 55%, and 82% for CRP, PCT, and s-TREM-1, respectively, whereas the specificities we 82%, 75%, and 48% for CRP, PCT, and s-TREM-1, respectively. The areas under the receiver operating characteristic curve were 0.6, 0.63, and 0.61, for CRP, PCT, and s-TREM-1, respectively. Conclusions. In real-life pediatric practice, none of the tested biomarkers was sufficiently accurate to serve as a reliable indicator for the identification of SBI in neonates.

Original languageEnglish
Pages (from-to)439-444
Number of pages6
JournalClinical Pediatrics
Volume54
Issue number5
DOIs
StatePublished - 9 May 2015

Keywords

  • C-reactivel protein
  • neonate
  • procalcitonin
  • s-TREM-1
  • sepsis

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