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External Validation of Six Pediatric Fever and Neutropenia Clinical Decision Rules

Gabrielle M Haeusler, Karin A Thursky, Monica A Slavin

    The Pediatric Infectious Disease Journal
    |September 7, 2017
    PubMed

    Insights

    Pediatric fever and neutropenia (FN) clinical decision rules (CDRs) were validated for identifying children with cancer at low risk of severe infection. While five CDRs showed reproducibility, a 24-hour rule offered the best balance of sensitivity and specificity.

    Area of Science:

    • Pediatric Oncology
    • Infectious Diseases
    • Clinical Decision Making

    Background:

    • Fever and neutropenia (FN) in children with cancer poses a risk of severe infection.
    • Clinical decision rules (CDRs) are recommended to stratify FN risk in pediatric cancer patients.
    • Validating existing CDRs is crucial for accurate risk assessment and management.

    Purpose of the Study:

    • To validate the reproducibility of existing pediatric FN CDRs.
    • To assess the ability of CDRs to identify low-risk pediatric cancer patients.
    • To determine the sensitivity and specificity of various FN CDRs in a retrospective cohort.

    Main Methods:

    • Literature search identified six pediatric FN CDRs for validation.
    • Retrospective data from 650 FN episodes in children with cancer were analyzed.
    • Sensitivity, specificity, and low-risk patient identification were compared to derivation studies.

    Main Results:

    • Five of the six validated CDRs demonstrated reproducibility.
    • A rule for bacteremia prediction had 100% sensitivity but low specificity (17%).
    • A 24-hour inpatient observation rule showed 80% sensitivity and 46% specificity, identifying 44% as low risk.

    Conclusions:

    • Reproducible CDRs were identified, but not all are suitable for clinical implementation.
    • Sensitivity and the ability to identify low-risk patients remain key challenges.
    • The 24-hour observation rule presents a promising balance of sensitivity and specificity for pediatric FN management.
    Abstract

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