Quality Indicators but Not Admission Volumes of Neonatal Intensive Care Units Are Effective in Reducing Mortality Rates of Preterm Infants.

PLoS One · 2016 · PMC4980039 · PMID 27508499

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a mild trendno p-value reported

Unexpectedly, there is even a mild trend towards an increase of the system mortality rate towards higher cutoff levels for annual admission volume.

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