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Risk predictiveness curves of the Respiratory Index of Severity in Children (RISC) score for HIV-negative children 0-24 months old (A), RISC-Malawi weight-for-age (WAZ) score for children 2-59 months old (B), and Pneumonia Etiology Research for Child Health (PERCH) score for HIV-negative children 1-59 months old (C) for hospitalized pneumonia-related mortality.
