ALB and cognitive disorder: Several quality of life indicators, including the physical health component score (PCS), mental health component score (MCS), social support rating scale (SSRS), Pittsburgh sleep quality index (PSQI) score and cognitive disorder rate, as well as blood test parameters, including red blood cell count (RBC), hemoglobin (HGB), albumin–globulin (A/G), TG, high‐density lipoprotein (HDL), low‐density lipoprotein (LDL), and very low‐density lipoprotein (VLDL), showed significant differences among disease subtypes and the normal group (p < 0.05, Table 2).