PTH and diabetes mellitus: All of the variables listed in Table 1—including age, male sex, body weight after HD, presence of DM, presence of hypertension, HD duration, cardiothoracic ratio, URR, KT/V Daugirdas, nPCR, TACurea, WBC counts, Hb, platelets, AST, ALT, total bilirubin, albumin, glucose, HbA1c, BUN before HD, creatinine, uric acid, sodium, potassium, corrected calcium, phosphate, aluminum, iron, TIBC, ferritin, i-PTH, hs-CRP, total cholesterol, triglyceride, HDL, LDL, and the FIB-4 score—were used to identify the possible predictors of 5-year MACEs through a univariate Cox regression analysis.