External Validation of Pediatric Pneumonia and Bronchiolitis Risk Scores to Predict Mortality in Children Hospitalized in Kenya: A Retrospective Cohort Study - Summary - MDSpire

External Validation of Pediatric Pneumonia and Bronchiolitis Risk Scores to Predict Mortality in Children Hospitalized in Kenya: A Retrospective Cohort Study

  • By

  • Becky Gordon

  • Joyce U Nyiro

  • Harish Nair

  • Zakariya Sheikh

  • Esther Katama

  • Charles N Agoti

  • Ruonan Pei

  • Heather Zar

  • Ting Shi

  • July 22, 2025

  • 0 min

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Objective:

To analyze the performance of pediatric acute lower respiratory infection (ALRI) risk scores in predicting mortality among hospitalized children with ALRIs in Kenya.

Key Findings:
  • The mid-upper arm circumference (MUAC) version of the RISC-Malawi score showed the highest discrimination for in-hospital mortality (AUROC 0.83; 95% CI .79–.86).
  • All other scores demonstrated acceptable discrimination (AUROC 0.70–0.79).
  • Modification of the ReSVinet score to include nutrition status improved its AUROC from 0.72 to 0.79.
  • All risk scores exhibited at least fair performance in predicting in-hospital mortality.
Interpretation:

The RISC-Malawi (MUAC) score is the most promising for predicting mortality in hospitalized children with ALRIs; however, further research is needed to assess its calibration and clinical utility.

Limitations:
  • The study is retrospective and may be subject to biases inherent in such designs, potentially affecting the reliability of the findings.
  • The performance of the LIBSS score was not evaluated due to high missing data.
Conclusion:

The study highlights the potential of specific pediatric ALRI risk scores in improving mortality prediction among hospitalized children in Kenya, warranting further validation and research.

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