Abstract
Objective
To examine the cost-effectiveness of prophylactic probiotics on necrotizing enterocolitis (NEC) prevention in very low birth weight (VLBW) infants.
Study design
We built a decision-analytic model using TreeAge. Effectiveness was assessed using quality-adjusted life-years (QALY). Primary outcome was an incremental cost-effectiveness ratio (ICER) expressed as cost per QALY gained. Costs were expressed in 2017 US dollars. Deterministic and probabilistic sensitivity analyses (SA) were performed.
Results
For the base case analysis, the ICER of probiotics versus no probiotics for the prevention of NEC in VLBW infants was $1868/QALY. SA revealed that probiotics became cost-saving at a NEC rate of 6.5% and higher or with incremental NEC cost of $37,500 or higher.
Conclusions
Our model demonstrated that prophylactic probiotics were a cost-effective strategy in NEC reduction. SA confirmed that the model is customizable to various clinical settings and thus, can aid in understanding the economic impact of this intervention.
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Code availability
TreeAge Pro Healthcare Version 2020 R1.2 [19] software was used to create the model, generate results, and perform statistical analyses. Model is available upon request. Software requires license for use.
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Acknowledgements
We would like to thank Dr. Ciaran Phibbs for sharing detailed data from the California cost data project for optimal model input [32].
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AFC: conceptualized and designed the work, drafted the initial manuscript, created the tables and figures, and critically reviewed and revised the manuscript. ABC: contributed to the study design, data analysis, and interpretation of data, and critically reviewed and revised the manuscript. AC: provided feedback about the study design, data interpretation, and critically reviewed and revised the manuscript. LY: contributed to the study design, data analysis, and interpretation of data, and critically reviewed and revised the manuscript. AH: contributed to the study design, data analysis, interpretation of data, and assisted in creation of tables and figures, and critically reviewed and revised the manuscript. DD: conceptualized and designed the work, provided feedback about the study design, helped draft the initial manuscript, assisted in the creation of the tables and figures, and critically reviewed and revised the manuscript. All authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.
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Craighead, A.F., Caughey, A.B., Chaudhuri, A. et al. Cost-effectiveness of probiotics for necrotizing enterocolitis prevention in very low birth weight infants. J Perinatol 40, 1652–1661 (2020). https://doi.org/10.1038/s41372-020-00790-0
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DOI: https://doi.org/10.1038/s41372-020-00790-0
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