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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

GONZALEZ-ORTIZ, Ailema Janeth et al. Assessment of the reliability and consistency of the "Malnutrition Inflammation Score" (MIS) in Mexican adults with chronic kidney disease for diagnosis of protein-energy wasting syndrome (PEW). Nutr. Hosp. [online]. 2015, vol.31, n.3, pp.1352-1358. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2015.31.3.8173.

Background: The protein-energy wasting syndrome (PEW) is a condition of malnutrition, inflammation, anorexia and wasting of body reserves resulting from inflammatory and non-inflammatory conditions in patients with chronic kidney disease (CKD).One way of assessing PEW, extensively described in the literature, is using the Malnutrition Inflammation Score (MIS). Objective: To assess the reliability and consistency of MIS for diagnosis of PEW in Mexican adults with CKD on hemodialysis (HD). Methods: Study of diagnostic tests. A sample of 45 adults with CKD on HD were analyzed during the period June-July 2014.The instrument was applied on 2 occasions; the test-retest reliability was calculated using the Intraclass Correlation Coefficient (ICC); the internal consistency of the questionnaire was analyzed using Cronbach's α coefficient. A weighted Kappa test was used to estimate the validity of the instrument; the result was subsequently compared with the Bilbrey nutritional index (BNI). Results: The reliability of the questionnaires, evaluated in the patient sample, was ICC=0.829. The agreement between MIS observations was considered adequate, κ = 0.585 (p <0.001); when comparing it with BNI, a value of κ = 0.114 was obtained (p <0.001).In order to estimate the tendency, a correlation test was performed. The r2 correlation coefficient was 0.488 (P <0.001). Conclusion: MIS has adequate reliability and validity for diagnosing PEW in the population with chronic kidney disease on HD.

Palabras clave : Protein energy wasting; Nutritional assessment; Dialysis; Validation; Reliability.

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