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  • Title: Association between neutrophil-to-lymphocyte ratio and nutritional status in geriatric patients.
    Author: Kaya T, Açıkgöz SB, Yıldırım M, Nalbant A, Altaş AE, Cinemre H.
    Journal: J Clin Lab Anal; 2019 Jan; 33(1):e22636. PubMed ID: 30058169.
    Abstract:
    BACKGROUND: Neutrophil-to-lymphocyte ratio (NLR) and presence of malnutrition have been found to be associated with mortality and morbidity in various clinical conditions. We investigated the association between NLR and nutritional status in geriatric patients. METHODS: This cross-sectional study included 95 geriatric (age ≥ 65 years) patients from general internal medicine outpatient clinic of a university hospital. Nutritional status of the patients was evaluated using Mini Nutritional Assessment (MNA), Geriatric Nutritional Risk Index, albumin, total cholesterol, body mass index, mid-arm circumference, and calf circumference. NLR was calculated from the complete blood count results. RESULTS: A total of 59 patients were female, and the mean age was 73 ± 9.8 years. According to the MNA, 51.6% of patients had a normal nutritional status, and 48.4% were malnourished or at risk of malnutrition. The mean NLR of patients with malnourished or at risk of malnutrition was significantly higher than that of patients with normal nutritional status (P = 0.004). There was a negative correlation between NLRs and the MNA scores (r = -0.276, P = 0.007). Optimal NLR cutoff point for patients with malnourished or at risk of malnutrition was 1.81 with 71.7% sensitivity and 63.3% specificity [95% confidence interval (CI): 0.562-0.780, P = 0.004]. Logistic regression analysis revealed that elevated NLR was an independent factor in prediction of malnutrition or risk of malnutrition in geriatric patients. CONCLUSION: These results demonstrated that NLR was associated with the nutritional status of geriatric patients. NLR may be a useful nutritional marker for evaluating the nutritional status of geriatric outpatients.
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