Abstract: Objective To study the relationship between different nutrition assessment methods and mortality in maintenance hemodialysis (MHD) patients. Methods A total of 83 MHD patients were enrolled in the nutrition assessment including subjective global assessment (SGA), malnutrition- inflammation score (MIS), and short form mini nutritional assessment (MNA-SF) methods. General disease history and laboratory findings were collected. Patients were followed up for 48 months (40±13 months). Kaplan-Meier method and Cox regression analysis were used to compare the relationship between different nutritional evaluation methods and the risk of all-cause mortality. Results Kaplan-Meier method showed that the risk of death was higher in patients with SGA <25 than in those with SGA ≥25 (P<0.05), was higher in patients with MIS > 10 than those with MIS ≤10 (P＞0.05), and was lower in patients with MNA-SF ≥11 than those with NASF <11 (P>0.05). Multivariate Cox regression analysis showed that SGA and MIS scores correlated to the risk of all- cause mortality in MHD patients (P<0.05). Conclusions Different nutritional assessment methods have different ability for predicting long-term prognosis in MHD patients. Nutritional status assessed by SGA method or MIS method correlates better with the long-term risk of all-cause mortality in MHD patients.

Key words: Maintenance hemodialysis, Subjective global assessment (SGA), Malnutrition-inflammation score (MIS), Short form mini nutritional assessment (MNA-SF), Nutritional status assessment