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. 2020 Dec 7;21:532. doi: 10.1186/s12882-020-02172-2

● Elderly patients

● Patients with lower ultrafiltration requirements/ higher residual renal function

● Patients whose pre-dialysis phosphate levels are within the normal range

● Patients whose pre-dialysis potassium levels are well within normal range

● Patients who share the decision to switch to twice weekly dialysis