TABLE 1.
Definition of longitudinal variables.
| Variables | Description | |
| V 1,t | SBP | SBP in the tth examination |
| V 2,t | DBP | DBP in the tth examination |
| V 3,t | Height | Height in the tth examination |
| V 4,t | Weight | Weight in the tth examination |
| V 5,t | HB | HB in the tth examination |
| V 6,t | BUN | BUN in the tth examination |
| V 7,t | UA | UA in the tth examination |
| V 8,t | Na | Na in the tth examination |
| V 9,t | K | K in the tth examination |
| V 10,t | iCa | iCa in the tth examination |
| V 11,t | P | P in the tth examination |
| V 12,t | Albumin | Albumin in the tth examination |
| V 13,t | TG | TG in the tth examination |
| V 14,t | LDL | LDL in the tth examination |
| V 15,t | AC Sugar | AC sugar in the tth examination |
| V 16,t | UP | UP in the tth examination |
| V 17,t | eGFR | eGFR value in the tth examination |
| Y | eGFR in the fourth examination | eGFR value in the fourth examination |
AC, before meals; BUN, blood urea nitrogen; DBP, diastolic blood pressure; eGFR, estimated glomerular filtration rate; Hb, hemoglobin; iCa, ionized calcium; LDL, low-density lipoprotein; P, phosphate; SBP, systolic blood pressure; TG, triglycerides; UA, uric acid; UP, urine protein.