ALB and heart failure: In Table 5, ordered logistic regression analysis found that in Model 1 without adjustment, Model 2 after adjustment for age, BMI, number of drugs, CCI and heart failure, and Model 3 after adjustment for age, BMI, number of drugs, comorbidity index, heart failure, RBC, albumin, total cholesterol, triglyceride, LDL-C and HDL-C, the lower HRR was an independent risk factor for frailty (P < 0.05).