Predicting mortality and length-of-stay for neonatal admissions to private hospital neonatal intensive care units : a Southern African retrospective study

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dc.contributor.authorPepler, Pieter Theo
dc.contributor.authorUys, Daniel Wilhelm
dc.contributor.authorNel, Daniel Gerhardus
dc.date.accessioned2012-08-13T10:05:29Z
dc.date.available2012-08-13T10:05:29Z
dc.date.issued2012-06
dc.descriptionThe original publication is available at http://www.ajol.info/index.php/ahs/indexen_ZA
dc.description.abstractObjectives: To predict neonatal mortality and length of stay (LOS) from readily available perinatal data for neonatal intensive care unit (NICU) admissions in Southern African private hospitals. Methods: Retrospective observational study using perinatal data from a large multicentre sample. Fifteen participating NICU centres in the Medi-Clinic private hospital group in Southern Africa. We used 2376 infants born between 1 January - 31 December 2008 to build the regression models, and a further 1 578 infants born between 1 January - 31 December 2007 to test the models. Outcome measures were mortality and length of hospital stay for NICU admissions. Results: Of the infants included in the 2008 dataset, ninety-one (3.8%) died after being admitted to NICU centres. The median LOS for non-transferred survivors was 11 days. An analysis of the structural peculiarities of the data showed high correlations between groups of the perinatal variables pertaining to the size and Apgar scores of the newborn infants, respectively. The logistic regression model to predict neonatal mortality had a good fit (AUC: 0.8507, misclassification rate: 13.6%), but the low positive predictive value of this model reduces its usefulness. The poisson log-linear model to predict LOS had a good fit (predicted R2: 0.7027). Conclusions: Apgar score at one minute, birth weight, and delivery mode significantly influence the odds of neonatal death and are associated with significant effects on LOS.en_ZA
dc.description.versionPost-printen_ZA
dc.format.extentp. 166-173 : ill.en_ZA
dc.identifier.citationPepler, P. T., Uys, D. W. & Nel, D. G. 2012. Predicting mortality and length-of-stay for neonatal admissions to private hospital neonatal intensive care units: a Southern African retrospective study. African Health Sciences, 12(2), 166-173, doi:10.4314/ahs.v12i2.14.en_ZA
dc.identifier.issn1729-0503 (online)
dc.identifier.issn1680-6905 (print)
dc.identifier.otherdoi:10.4314/ahs.v12i2.14
dc.identifier.urihttp://hdl.handle.net/10019.1/49199
dc.language.isoen_ZAen_ZA
dc.publisherFaculty of Medicine, Makerere Universityen_ZA
dc.rights.holderAfrican Health Sciencesen_ZA
dc.subjectNeonatal mortalityen_ZA
dc.subjectLogistic regression analysisen_ZA
dc.subjectLog-linear modelsen_ZA
dc.subjectNeonatal intensive careen_ZA
dc.titlePredicting mortality and length-of-stay for neonatal admissions to private hospital neonatal intensive care units : a Southern African retrospective studyen_ZA
dc.typeArticleen_ZA
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