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Methodological rigor of prognostic models for predicting in-hospital paediatric mortality in low- and middle-income
Morris Ogero1,2, Rachel Sarguta2, Lucas Malla1
1Health Service Unit, KEMRI / Wellcome Trust Research Programme, Nairobi, P.O Box 43640-00100, Kenya.
Insights
This systematic review evaluates prognostic models for in-hospital paediatric mortality in low- and middle-income countries (LMICs). It aims to identify methodological weaknesses and models for external validation to reduce child deaths.
Area of Science:
- Global Health
- Medical Informatics
- Biostatistics
Background:
- Limited healthcare resources in low- and middle-income countries (LMICs) necessitate efficient treatment decisions to reduce paediatric mortality.
- Validated prognostic models are crucial for early risk identification and improved resource allocation in paediatric care.
Purpose of the Study:
- To systematically review and appraise the methodological quality of multivariable prognostic models predicting in-hospital paediatric mortality in LMICs.
- To identify statistical and methodological shortcomings in existing models.
- To identify models suitable for external validation.
Main Methods:
- Systematic review protocol following PRISMA-P guidelines.
- Comprehensive literature search across MEDLINE, Google Scholar, CINAHL, and Web of Science (inception to 2019).
- Data extraction using Cochrane Prognosis Methods and CASP checklists; methodological quality assessed using the Prediction model Risk Of Bias Assessment Tool (PROBAST).
Main Results:
- This section is not applicable as the abstract describes a planned systematic review and not the results of the review itself.
- The review is designed to identify methodological rigor and shortcomings in prognostic models for paediatric mortality in LMICs.
- The findings will highlight models for potential external validation.
Conclusions:
- This systematic review will provide critical insights into the quality of prognostic models for paediatric mortality in LMICs.
- Identifying robust models and methodological gaps can guide future research and improve clinical decision-making.
- The ultimate goal is to contribute to the development of reliable tools to reduce in-hospital paediatric deaths in resource-limited settings.
Abstract:
Introduction: In low- and middle-income countries (LMICs) where healthcare resources are often limited, making decisions on appropriate treatment choices is critical in ensuring reduction of paediatric deaths as well as instilling proper utilisation of the already constrained healthcare resources. Well-developed and validated prognostic models can aid in early recognition of potential risks thus contributing to the reduction of mortality rates. The aim of the planned systematic review is to identify and appraise the methodological rigor of multivariable prognostic models predicting in-hospital paediatric mortality in LMIC in order to identify statistical and methodological shortcomings deserving special attention and to identify models for external validation. Methods and analysis: This protocol has followed the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Protocols. A search of articles will be conducted in MEDLINE, Google Scholar, and CINAHL (via EbscoHost) from inception to 2019 without any language restriction. We will also perform a search in Web of Science to identify additional reports that cite the identified studies. Data will be extracted from relevant articles in accordance with the Cochrane Prognosis Methods' guidance; the CHecklist for critical Appraisal and data extraction for systematic Reviews of prediction Modelling Studies. Methodological quality assessment will be performed based on prespecified domains of the Prediction study Risk of Bias Assessment Tool. Ethics and dissemination: Ethical permission will not be required as this study will use published data. Findings from this review will be shared through publication in peer-reviewed scientific journals and, presented at conferences. It is our hope that this study will contribute to the development of robust multivariable prognostic models predicting in-hospital paediatric mortality in low- and middle-income countries. Registration: PROSPERO ID CRD42018088599; registered on 13 February 2018.
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