Friday, Jul 24, 2026 The claims desk. Receipts included. POWERED BY LENZ
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HEALTH

The Claim

Platelet indices can be used to monitor the progression and outcomes of sepsis, including recovery or death, in neonates and children.

The Short Version

A large body of observational studies and meta-analyses consistently shows that platelet indices (MPV, PDW, PCT, and their ratios) differ significantly between survivors and non-survivors in neonatal and pediatric sepsis, supporting the claim's core assertion. However, the overall certainty of evidence has been rated "very low" by at least one meta-analysis, discriminatory performance is modest (e.g., AUC of 0.708 for PDW), and no major clinical guidelines currently endorse these indices as standard monitoring tools. The claim is directionally accurate but overstates clinical readiness.

Caveats

  • The overall certainty of evidence for platelet indices in neonatal sepsis has been rated 'very low' by meta-analysis, and no large-scale randomized controlled trials have confirmed causality.
  • At least one study found no significant difference in MPV or PDW between pediatric survivors and non-survivors, and the best-performing index achieves only modest discriminatory performance (AUC ~0.71, sensitivity ~64%).
  • No major clinical guidelines from organizations such as the WHO or CDC currently endorse platelet indices as standard tools for monitoring sepsis progression or predicting outcomes in neonates and children.

The Receipts

  1. Platelets in pediatric and neonatal sepsis: novel mediators of ...

    PMC (PubMed Central)

  2. Platelet parameters as potential biomarkers for sepsis: a systematic review and meta-analysis

    Platelet parameters as potential biomarkers for sepsis: a systematic review and meta-analysis - PMC

  3. Platelet indices as a predictive marker in neonatal sepsis ...

    PubMed

  4. Mean Platelet Volume in Neonatal Sepsis: Meta-Analysis of Observational Studies - PubMed

    PubMed

  5. Comparative Evaluation of Platelet Indices in Clinical and Culture-Positive Neonatal Sepsis: A Prospective Observational Study

    Comparative Evaluation of Platelet Indices in Clinical and Culture-Positive Neonatal Sepsis: A Prospective Observational Study - PMC

  6. The Use of Platelet Count and Indices as Prognostic Factors for Mortality in Children with Sepsis

    The Use of Platelet Count and Indices as Prognostic Factors for Mortality in Children with Sepsis - PMC

  7. Changes in number, morphology and volume of platelets during neonatal sepsis

    iimmun.ru

  8. Platelet Count and Platelet Indices in Neonatal Sepsis

    Impactfactor

  9. Platelet parameters as a diagnostic marker in early diagnosis of neonatal sepsis- Seeking newer answers for older problems

    PMC

  10. Admission platelet count and indices as predictors of outcome in children with severe Sepsis: a prospective hospital-based study

    PMC

+ 13 more sources — see the full list on Lenz

Filed Under

Platelet IndicesSepsis