NPPB and nutritional deficiency disease: For the clinical characteristics and biochemical indicators during hospitalization malnutrition group compared with normal nutrition group, univariate results showed that HR (P = 0.044), HGB (P < 0.001), LYM (P < 0.001), BUN (P = 0.001), TP (P < 0.001), TG (P < 0.001), HDL (P = 0.020), GLU (P = 0.026), NA (P = 0.011), NT-proBNP (P < 0.001) may be associated with increased the odds of malnutrition.