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A553in studies from developed countries, while micronutrient deficiencies and critical illness were the most common conditions of interest in studies from developing countries. The most prevalent interventions identified were oral nutrition supplements (12.0%) and parenteral nutrition (10.9%), while outcomes of interest were most frequently cost (53.3%), length of stay (47.8%), mortality (25.2%), or readmissions (8.7%). ConClusions: This literature review demonstrates that interest in the cost effectiveness of medical nutrition has increased in recent years with the majority of studies focusing on cost and length of stay in adults of all ages.

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