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Agreement between different versions of MNA.
L M Donini1, E Poggiogalle, A Morrone
1Experimental Medicine Department, Medical Physiopathology, Food Science and Endocrinology Section, Food Science and Human Nutrition Research Unit, Sapienza University of Rome, Italy. Lorenzomaria.donini@uniroma1.it
The Journal of Nutrition, Health & Aging
|March 30, 2013
Summary
Early malnutrition screening in the elderly is crucial. Modified Mini Nutritional Assessment (MNA) versions without BMI showed high efficiency in identifying malnutrition risk factors.
Area of Science:
- Gerontology
- Nutritional Science
- Public Health
Background:
- Malnutrition is prevalent in the elderly, leading to significant clinical and functional decline.
- Early detection and intervention are key to effective malnutrition management in older adults.
- Validated tools are essential for identifying malnutrition risk in the elderly population.
Purpose of the Study:
- To evaluate the agreement between different versions of the Mini Nutritional Assessment (MNA) for assessing nutritional risk in elderly individuals.
- To compare the efficacy of MNA versions with and without Body Mass Index (BMI) in identifying malnutrition risk.
Main Methods:
- A study involving 522 elderly subjects (345 women, 177 men) from nursing homes and community settings in Italy.
- Comparison of three MNA versions: original MNA, proportional MNA (MNA-P) excluding BMI, and an MNA version using calf circumference (CC) and mid-upper arm circumference (MAC) instead of BMI.
- All participants underwent a comprehensive geriatric evaluation focusing on nutritional status.
Main Results:
- The original MNA identified a high prevalence of malnutrition (26% women, 16.3% men).
- MNA versions excluding BMI demonstrated good predictive value, comparable to the original MNA.
- MNA-P achieved 89.1% overall efficiency, while MNA-CC-MAC showed 91.4% efficiency, with high sensitivity and specificity.
Conclusions:
- Different MNA versions yielded similar subject classifications and correlated well with nutritional and biochemical markers.
- MNA versions omitting BMI appear more effective in identifying malnutrition risk factors such as disability, reduced strength, and anemia.
- These findings suggest that modified MNA tools can reliably assess nutritional risk in the elderly.
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