Abstract
Results.–We included a total of 202 patients (mean age 79.50±8.02 years). About 56.4% of patients were at risk of malnutrition (score≥3) according to the NSI test, and 60.9% were at risk of malnutrition or were malnourished (score 0–11) by MNA-SF questionnaire. In the analysis of the reliability of the questionnaire NSI, the intraclass correlation coefficient (ICC) was 0.810 (95% CI 0.724 to 0.871, P<0.000). The sensitivity of the NSI test was 0.77 (95% CI from 0.66 to 0.88) and the specificity was 0.64 (95% CI 0.48–0.80), the negative predictive value was 0.64 (95% CI 0.48–0.80) and the positive likelihood ratio, 1.21 (95% CI: 0.98 to 1.49). Its ability to predict the risk of malnutrition, as measured by AUC was 0.703 (95% CI 0.591 to 0.816). Discussion.– The NSI is a valid questionnaire to detect the risk of malnutrition in a Unit of Cancer in the elderly.
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