Abstract
Objectives
To examine the predictive value of the Mini Nutritional Assessment-short form (MNA-SF)
and its individual items on the incidence of pneumonia.
Design
Prospective observational cohort study over 1-year of follow-up.
Participants
A total of 773 older persons (74.4% women) living in 13 French nursing homes from
the Incidence of pNeumonia and related ConseqUences in nursing home Residents (INCUR)
study.
Measurements
Nutritional status was assessed using the MNA-SF questionnaire at baseline. Diagnosis
of pneumonia was based on clinical conditions retrieved from a medical chart. Cox
proportional hazard models were applied to test whether the MNA-SF score and its single
components predict pneumonia events over 1 year of follow-up.
Results
After 1 year of follow-up, 160 (21%) incident cases of pneumonia were recorded. Mean
age of participants was 86.2 (SD 7.5) years. Mean MNA-SF score was 9.8 (SD 2.4), with
more than half of the participants (58.7%) being at risk of malnutrition (8–11 points).
The total MNA-SF score and its categories did not predict the studied outcome. However,
a single component of the MNA-SF score, specifically decreased mobility, was a significant
risk factor for pneumonia (hazard ratio 2.289; 95% confidence interval 1.357–3.860;
P = .002), independently of potential confounders.
Conclusions
The total MNA-SF score did not predict the incidence of pneumonia. However, decreased
mobility was a significant risk factor, implying that individual components of the
MNA-SF should be more carefully explored to verify whether they might be used for
detecting specific declines of the health status in nursing home residents, thus potentially
improving the risk profile estimation of such a complex population.
Keywords
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Article info
Publication history
Published online: June 07, 2014
Footnotes
The INCUR study was funded by Pfizer Holding France (Paris, France). The funding agency had no role in the design and conduction of the study or in the writing of the present report.
The authors declare no conflicts of interest.
Identification
Copyright
© 2014 AMDA – The Society for Post-Acute and Long-Term Care Medicine. Published by Elsevier Inc. All rights reserved.
