Outcome of Children In Pediatric Intensive Care Unit By Using Pediatric Index of Mortality (Pim-Ii) Score

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Objective: To determine the outcome and associated factors of using the pediatric intensive care pediatric index of mortality (PIM-II) score in a pediatric intensive care unit for predicting mortality. Study Design: Cross-sectional study Place and Duration of Study: Pak Emirates Military Hospital, Rawalpindi, Pakistan from August 2019 to November 2020. Methodology: All children age 1 month to 12 years of either gender admitted in PICU were consecutively enrolled. PIM-II scoring system was used to predict mortality in PICU. Patient follow was maintained throughout the entire hospital stay, including PICU admission to record patient outcome. It was then categorized as either “discharged” or “death.” Results: Of 105 patients, the median PIM-II score was 26 (20-41). There were 26 (24.8%) patients predicted death rate of <20%, 51 (48.6%) patients with 20-40% predicted death rate, and 28 (26.7%) patients with >40% predicted death rate. The observed mortality was reported in 36 (34.3%) patients. The odds of mortality were 99% lower among patients with predicted death rate of <20% (adjusted OR=0.01, 95% CI 0.01-0.05) and in between 20% to 40% predicted death rate (adjusted OR=0.01, 95% CI 0.01-0.05) as compared to >40% predicted death rate. The area under the curve of PIM-II was found to be 0.88 (95% CI 0.79-0.97). Conclusion: The PIM-II score predicted accurately in most of the patients admitted in PICU and could be recommended as a valuable tool for anticipating prognosis in pediatric patients.