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Aims: Illness severity scores are essential for NICU outcome comparisons and should predict both morbidity and mortality. Current validated scores include CRIB (clinical risk index for babies < 1500g, 6 items) and SNAP-PE (SNAP perinatal extension, 37 items). We evaluated the ability of NAPPI-ES (neonatal acute physiology parameters index, extended score)(14 items) to predict morbidity. Methods: Data needed to calculate SNAP, SNAP-PE and CRIB were collected from 10,213 infants in 17 Canadian NICUs in 1996. The development of NAPPI-ES and its validation for prediction of neonatal mortality is described elsewhere. Grade 3 IVH, periventricular leucomalacia, intraparenchymal echogenicity or hydrocephalus were classified as adverse cerebral outcomes (n=347). Chronic lung disease(CLD) was defined as, O2 dependency at 28 days (n=436). NAPPI-ES SNAP-PE and CRIB were compared using area under the receiver operating curve(ROC) to assess their predictive ability in infants of all birthweights and in infants under 1500 g (n=2005). Results: Both NAPPI-ES and SNAP-PE are as effective as CRIB in prediction of adverse cerebral outcome and are better predictors of CLD among infants < 1500g (p< 0.0001). NAPPI-ES and SNAP-PE are better than CRIB (p< 0.0001) in predicting morbidity for all birth weights. NAPPI-ES compares well with SNAP-PE in prediction of morbidity among infants of all birth weights.Table
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Corcoran, J., Lee, S., Whyte, R. et al. Neonatal Acute Physiology Parameters Index-Extended Score (NAPPI_ES) - a predictor for neonatal morbidity. Pediatr Res 44, 424 (1998). https://doi.org/10.1203/00006450-199809000-00063
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DOI: https://doi.org/10.1203/00006450-199809000-00063