Validez del índice de mortalidad pediátrica - PIM2 - en el paciente crítico. Hospital José Carrasco Arteaga, Cuenca junio 2018 – mayo 2019. Estudio de test diagnóstico

Abstract

Introduction The Pediatric Index of Mortality (PIM2) is a scale that predicts the risk of death in children with information collected in the first hour of admission to the Intensive Care Unit.

Objective Determine the validity of the pediatric mortality index, PIM2, in the critical patient admitted to the José Carrasco Arteaga Hospital, in the period June 2018 - May 2019.

Method Observational study of diagnostic test validation. In 138 patients admitted to the Pediatric Intensive Care Unit in period June 2018 to May 2019, PIM2 scale was applied according to the established theoretical guidelines. With the data obtained, the appropriate cut-off point for the best sensitivity and specificity, was identified, and the predictive capacity of PIM2 was established through Hosmer-Lemeshow test and the Standardized Mortality Ratio.

Results Mortality was 13,04%. The sensitivity of PIM2 was 88,9 (95% CI 71,59-100,00); specificity 64,17 (95% CI 55,17 – 73,16); PPV 27,12 (95% CI 14,93-39,91); NPV 97,47 (95% CI 93,37-100,00); positive probability coefficient 2,48 (95% CI 1,86-3,31); negative probability coefficient 0,17 (95% CI 0,05-0,64). The cut-off point that best approximated the sensitivity and ideal specificity was 15,57. The Hosmer Lemeshow test, no found significant differences between observed / expected in modeling of PIM2 (p 0,59). The Standardized Mortality Ratio was 100,03 (95% CI 53,82 – 146,24; p 0,59).

Conclusions The predictive capacity of the PIM2, in the sample and service studied, was adequate.