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2025, Number 2

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Rev Mex Pediatr 2025; 92 (2)

Comparison of the PIM-3, PRISM III, and PELOD-2 indices, in predicting pediatric mortality in an intensive care unit

Bautista-Reyes JA, Estrada-López AG, Apolinar-Jiménez E

Language: Spanish
References: 18
Page: 47-51
PDF size: 321.90 Kb.


ABSTRACT

Introduction: mortality in pediatric intensive care remains a challenge, so the use of predictive scales such as PIM-3, PRISM III and PELOD-2 allows an objective assessment of the probability of dying. Objective: to compare the performance of PIM-3, PRISM III, and PELOD-2 in predicting mortality in pediatric patients treated in a Pediatric Intensive Care Unit (PICU) of a tertiary care hospital. Material and methods: an observational and retrospective study in patients from one month to 17 years of age admitted between 2022 and 2023 was performed. The three scales were compared evaluating in terms of sensibility, specificity, predictive values, and areas under curve (AUC) of receiver operating curves (ROC). Results: a total of 215 patients were included. Overall mortality was 9.3% and was more frequent in patients with sepsis. The AUC was 0.936 for PRISM III, 0.933 for PIM-3, and 0.924 for PELOD-2, with no significant differences among the three (p > 0.05). However, PELOD-2 showed slightly better discriminatory capacity. Conclusions: in pediatric patients treated in the ICU, PELOD-2 was shown to be superior to PRISM III and PIM-3 in predicting mortality. Prospective studies are needed to confirm these findings.


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