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Online Tool for Predicting Severe Cases of Childhood Community-Acquired Pneumonia Based on the PIRO Concept

Xin Long1,2, Wanling Li2,3,4, Yuyi Tang2,3,4

  • 1Department of Otolaryngology, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China.

Pediatric Pulmonology
|July 15, 2025
PubMed

Insights

A new Ch-online PIRO score effectively predicts severe community-acquired pneumonia (CAP) in young children. This validated tool outperforms existing systems in assessing pediatric CAP outcomes.

Area of Science:

  • Pediatric critical care medicine
  • Respiratory medicine
  • Clinical epidemiology

Background:

  • Community-acquired pneumonia (CAP) is a major cause of mortality in children under 5.
  • Existing prognostic scoring systems require evaluation for optimal use in pediatric CAP.
  • Accurate assessment of CAP severity is crucial for timely intervention and improved outcomes.

Purpose of the Study:

  • To develop and validate a novel prognostic scoring system for pediatric CAP.
  • To compare the effectiveness of the new Ch-online PIRO score against established scores (PCIS, PERCH, PIRO-CAP).
  • To identify the most accurate tool for predicting severe CAP outcomes in children.

Main Methods:

  • Modification of the PIRO-CAP score to create the Ch-online PIRO score.
  • Validation of the Ch-online PIRO score in a large cohort (75,965 children) with CAP.
  • Comparative analysis of discriminatory performance for severe CAP prediction.

Main Results:

  • The Ch-online PIRO score incorporates factors like age, comorbidities, SpO2, pneumonia complexity, organ dysfunction, and capillary refill time.
  • It demonstrated superior predictive performance (AUC=0.85) compared to PCIS (AUC=0.67), PERCH (AUC=0.64), and PIRO-CAP (AUC=0.68).
  • Key predictors included age < 6 months, comorbidities, low SpO2, complicated pneumonia, organ dysfunction, and respiratory failure.

Conclusions:

  • The Ch-online PIRO score is a promising and effective tool for assessing CAP severity in young children.
  • Its superior performance suggests improved prognostic accuracy for pediatric CAP.
  • This score can aid clinicians in identifying high-risk children requiring intensive management.
Abstract

Keywords:
Ch‐online PIRO scorechildrencommunity‐acquired pneumonia

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