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. 2008 Oct 10:8:26.
doi: 10.1186/1471-2318-8-26.

Do the malnutrition universal screening tool (MUST) and Birmingham nutrition risk (BNR) score predict mortality in older hospitalised patients?

Sarah Henderson  1 , Nicola Moore, Emma Lee, Miles D Witham
Affiliations

Do the malnutrition universal screening tool (MUST) and Birmingham nutrition risk (BNR) score predict mortality in older hospitalised patients?

Sarah Henderson et al. BMC Geriatr. .

Abstract

Background: Undernutrition is common in older hospitalised patients, and routine screening is advocated. It is unclear whether screening tools such as the Birmingham Nutrition Risk (BNR) score and the Malnutrition Universal Screening Tool (MUST) can successfully predict outcome in this patient group.

Methods: Consecutive admissions to Medicine for the Elderly assessment wards in Dundee were assessed between mid-October 2003 and mid-January 2004. Body Mass Index (BMI), MUST and BNR scores were prospectively collected. Time to death was obtained from the Scottish Death Register and compared across strata of risk.

Results: 115 patients were analysed, mean age 82.1 years. 39/115 (34%) were male. 20 patients were identified as high risk by both methods of screening. A further 10 were categorised high risk only with the Birmingham classification and 12 only with MUST.80/115 (67%) patients had died at the time of accessing death records. MUST category significantly predicted death (log rank test, p = 0.022). Neither BMI (log rank p = 0.37) or Birmingham nutrition score (log rank p = 0.35) predicted death.

Conclusion: The MUST score, but not the BNR, is able to predict increased mortality in older hospitalised patients.

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Figures

Figure 1
Figure 1
Survival curves stratified by risk category of BNR score. Log rank: Chi-square 0.86, df = 1, p = 0.35.
Figure 2
Figure 2
Survival curves stratified by risk category of MUST score. Log rank: chi-squared 5.28, df = 1, p = 0.022.
See this image and copyright information in PMC

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