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Evaluation of the modified Nutrition Risk in Critically Ill score in Korean critically ill patients with COVID-19: a retrospective cohort study
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Won Ho Han, Jong-Mog Lee, Jae Hoon Lee, Hyun Mi Lee, Ji-Yeon Kim, Mok Young Jang, Sung-Sik Han
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Ann Clin Nutr Metab 2025;17(2):125-131. Published online August 1, 2025
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DOI: https://doi.org/10.15747/ACNM.25.0009
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 Abstract
 PDF Supplementary Material
- Purpose
We evaluated the efficacy of the modified Nutrition Risk in Critically Ill (mNUTRIC) score for malnutrition screening and its association with mortality in intensive care unit (ICU) patients with COVID-19.
Methods
The nutritional status of 129 COVID-19 ICU patients admitted between February 2021 and May 2022 was assessed using American Society for Parenteral and Enteral Nutrition/Academy of Nutrition and Dietetics (ASPEN/AND) criteria. The sensitivity, specificity, and clinical correlations of the mNUTRIC score were analyzed.
Results
Of the 129 patients, 35 (27.1%) met the ASPEN/AND malnutrition criteria. Multivariable analysis identified the mNUTRIC score, underlying malignancy, and mechanical ventilation as significant factors associated with malnutrition. The mNUTRIC score had a sensitivity of 77.1% and specificity of 63.8% (area under the curve [AUC], 0.71; 95% confidence interval [CI], 0.62–0.79) for diagnosing malnutrition, improving to 88.6% and 80.9%, respectively, after adjusting for malignancy and ventilation (AUC, 0.89; 95% CI, 0.82–0.95). Patients with a low mNUTRIC score had a mortality rate of 2.9% and a median ICU stay of 7.7 days (range, 0–84.2 days), whereas those with a high score (≥5) had a mortality rate of 13.1% and a median ICU stay of 10.2 days (range, 1.4–88.5 days) (P=0.046 and P=0.011, respectively).
Conclusion
The mNUTRIC score is an effective screening tool for malnutrition in ICU patients with COVID-19, especially those with malignancy or requiring mechanical ventilation, and is strongly associated with mortality and length of ICU stay.
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E-submission
KSPEN
KSSMN
ASSMN
JSSMN
