Date of this Version

5-2016

Document Type

Journal Article

Publication Details

Accepted version

Marshall, S., Young, A., Bauer, J., & Isenring, E. (2016). Nutrition screening in geriatric rehabilitation: Criterion (concurrent and predictive) validity of the malnutrition screening tool and the mini nutritional assessment−short form. Journal of the Academy of Nutrition and Dietetics, 116(5), 795-801. doi:10.1016/j.jand.2015.06.012

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Copyright © 2016 by the Academy of Nutrition and Dietetics

Distribution License

Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

ISSN

2212-2672

Abstract

Background

Nutrition screening is required for early identification and treatment of patients at risk for malnutrition so that clinical outcomes can be improved and health care costs reduced.

Objective

To determine the criterion (concurrent and predictive) validity of the Malnutrition Screening Tool (MST) and Mini Nutritional Assessment−Short Form (MNA-SF) in older adults admitted to inpatient rehabilitation facilities.

Design

Observational, prospective cohort.

Participants/setting

Participants were 57 adults aged 65 years and older (mean±standard deviation age=79.1±7.3 years) from two rural rehabilitation units in New South Wales, Australia.

Main outcome measurements

MST; MNA-SF; International Statistical Classification of Diseases and Health Related Problems, 10th revision, Australian Modification (ICD-10-AM) classification of malnutrition; rehospitalization; admission to a residential aged care facility (institutionalization); and discharge location.

Statistical analysis performed

Measures of diagnostic accuracy with 95% CIs generated from a contingency table, Mann-Whitney U test, and χ2 test.

Results

When compared with the ICD-10-AM criteria, the MST showed stronger diagnostic accuracy (sensitivity 80.8%, specificity 67.7%) than the MNA-SF (sensitivity 100%, specificity 22.6%). Neither the MST nor the MNA-SF was able to predict rehospitalization, institutionalization, or discharge location.

Conclusions

The MST showed good concurrent validity and can be considered an appropriate nutrition screening tool in geriatric rehabilitation. The MNA-SF may overestimate the risk of malnutrition in this population. The predictive validity could not be established for either screening tool.

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This document has been peer reviewed.

 

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