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Age is an important factor influencing the choice of dialysis modality. Patients with good dexterity and motivation are good candidates for PD. With increasing age, the associated comorbidities of dialysis patients might deteriorate and with it their frailty.

Optimal management of weight is an important success factor in PD patients. Changes in weight due to lifestyle, calorie intake, disease and hydration status need constant monitoring and adaptation of PD therapy. 

Dialysate to plasma ratio is a common measure used to evaluate peritoneal transport characteristic in PD patients. Patients can be fast, average or slow transporters depending upon the status of their peritoneal membrane. Peritoneal membrane transport characteristics change with time on PD. Therefore, regular monitoring of D/P creatinine and subsequent adjustment of PD prescriptions is recommended.

RRF has an impact on patient survival and quality of life of PD dialysis patients. Its longer preservation is a major advantage. Thus, interventions to preserve RRF like prescription of biocompatible PD fluids are important.

Due to compromised renal function, bodies own capacity to remove excess fluid also diminishes and patients need dialysis to generate UF. The amount of UF needed varies depending upon many factors, like lifestyle, disease progression and other co-morbid conditions. An adequate UF is therefore critical for successful PD.

Kt/V urea is urea clearance normalized to total body water. It is an important parameter to check PD adequacy. A total Kt/V urea of at least 1.7 per week is recommended for PD patients.