ArticlePakistan journal of medical sciences2025
Comparison of accuracy of pediatric index of mortality-3 (PIM-3) and pediatric index of mortality-2 (PIM-2) scores in predicting outcome of children admitted to pediatric ICU of a tertiary care hospital.
Article in Pakistan journal of medical sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To compare the accuracy of pediatric index of mortality-3 and pediatric index of mortality-2 scores in predicting the mortality of children admitted to the pediatric intensive care unit of a tertiary care hospital in Pakistan. Methodology: This observational study conducted in the pediatric intensive care unit of Mayo Hospital, Lahore, Pakistan. In this study variables of pediatric index of Mortality-2 and pediatric index of Mortality-3 scores, along with baseline characteristics of children aged one month to 12 years, were recorded prospectively from 1 Results: A total of 188 patients (57.5% males, 42.5% females) with a median age of 10 months (Interquartile range: 4-36 months) were included in the study. The sensitivity of pediatric index of Mortality-2 and pediatric index of Mortality-3 was 85.71 % and 80.35%, respectively, while the specificity was 73.48% and 82.57%, respectively. The standardized mortality rate of pediatric index of Mortality-2 and pediatric index of Mortality-3 scores were 0.67 and 0.82, respectively. Both scores had good discrimination, while pediatric index of Mortality-3 performed better with area under the Receiver Operating Characteristic curve of 0.858 compared to pediatric index of Mortality-2, which was 0.842. For both tests, the Hosmer-Lemeshow goodness-of-fit tests showed good calibration (p > 0.05). Conclusion: The predictive accuracy of the pediatric index of Mortality-3 score was better than that of the pediatric index of Mortality-2 score, although both scores performed well and can be used for mortality prediction.
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