EuroOOPS: An international, multicentre study to implement nutritional risk screening and evaluate clinical outcome
Abstract
Background & aims The aim of the study was to implement nutritional risk screening (NRS-2002) and to assess the association between nutritional risk and clinical outcome. Methods NRS-2002 was implemented in 26 hospital departments (surgery, internal medicine, oncology, intensive care, gastroenterology and geriatrics) in Austria, the Czech Republic, Egypt, Germany, Hungary, Lebanon, Libya, Poland, Romania, Slovakia, Spain and Switzerland. Being a prospective cohort study, randomly selected adult patients were included at admission and followed during their hospitalisation. Data were collected on the nutritional risk screening, complications, mortality, length of stay and discharge. The correlation between risk status and clinical outcome was assessed and adjusted for confounders (age, speciality, diagnoses, comorbidity, surgery, cancer and region) by multivariate regression analysis. Results Of the 5051 study patients, 32.6% were defined as 'at-risk' by NRS-2002. 'At-risk' patients had more complications, higher mortality and longer lengths of stay than 'not at-risk' patients and these variables were significantly related to components of NRS-2002, also when adjusted for confounders. Conclusions Components of NRS-2002 are independent predictors of poor clinical outcome.
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Observational studies have shown the frequency of complications in untreated at-risk patients to be three times higher than in patients not at-risk, and length of hospital stay is 50% longer.
“Observational studies have shown the frequency of complications in untreated at-risk patients to be three times higher than in patients not at-risk, and furthermore length of hospital stay (LOS) is 50% longer, which has a negative influence on clinical outcomes [18].”
From ESPEN guideline on nutritional support for polymorbid medical inpatients (2023) · cites this paper as [18]
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“In this sense, a risk of malnutrition of 32.6% was observed in the EuroOOPS Study [2], in which 5,061 patients admitted to European hospitals were evaluated.”
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“[737] Sorensen J, Kondrup J, Prokopowicz J et al.”
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- Authors
- Sorensen, J., Kondrup, J., Prokopowicz, J., Schiesser, M., Krähenbühl, L., Meier, R., & Liberda, M.
- Affiliations
- University of Copenhagen (DK)
- University Hospital Zurich (CH)
- HFR Freiburg Kantonsspital (CH)
- Venue
- Clinical Nutrition
- Publisher
- Elsevier BV
- Published
- 2008-06
- Volume
- 27
- Issue
- 3
- Pages
- 340-349
- ISSN
- 0261-5614 (ISSN-L)
- OpenAlex
- W2041669990
- Cited by
- 607
- References
- 0
- Citations by year
- 2026: 18 · 2025: 22 · 2024: 31 · 2023: 40 · 2022: 37 · 2021: 56 · 2020: 47 · 2019: 47 · 2018: 24 · 2017: 33 · 2016: 29 · 2015: 42 · 2014: 41 · 2013: 34 · 2012: 35
- FWCI
- 21.49
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Clinical Nutrition (publishedVersion)
- PubMed (publishedVersion)
- Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
- Topics
- Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
- Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
- Health Sciences › Health Professions › Health Information Management › Dietetics, Nutrition, and Education
- Keywords
- nutritional risk screening, NRS-2002, nutritional risk, clinical outcomes, in-hospital mortality, postoperative complications, length of hospital stay, hospital discharge, predictors of poor outcome, multicenter study
- MeSH terms
- Female, Humans, Length of Stay, Male, Mass Screening, Middle Aged, Nutritional Status, Predictive Value of Tests, Prognosis, Prospective Studies, Sensitivity and Specificity, Cohort Studies, Weight Loss, Nutrition Assessment, Multivariate Analysis, Treatment Outcome, Hospital Mortality, Risk Assessment, Malnutrition
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