The effect of diet education on the laboratory values and knowledge of hemodialysis patients with hyperphosphatemia.

Objective: The purpose of this study was to evaluate the effectiveness of 20 to 30 minutes per month of additional diet education on monthly laboratory values (phosphorus, calcium, parathyroid hormone, and calcium/phosphorus product) and knowledge of dietary phosphorus management in hemodialysis patients with hyperphosphatemia.

Design: A quasi-experimental design.

Setting: Three outpatient dialysis centers owned by the same corporation in 1 southern state.