The baseline characteristics and clinical data of PD patients according to their family's highest education level.

Abbreviations: BMI, body mass index; DM, diabetes mellitus; CVD, cardiovascular disease; iPTH, intact parathyroid hormone; Kt/V, urea clearance; Ccr, creatinine clearance; RRF, residual renal function.
#Healthcare % represents the percentage of patients whose medical expenses are covered more than 90% by the national healthcare system.
□Frequent visitor was defined as someone visiting doctors at least once every 3 months.