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Peritoneal creatinine transport. Dialysate over plasma creatinine ratio (upper) and 24-hour dialytic creatinine clearance (lower) in patients treated with L-PDF (gray box plots) and B-PDF (black box plots) for 10 months. Data are median and 25th and 75th percentiles; whiskers represent 10th and 90th percentiles (P=0.83 and P=0.04 for group effect, respectively).
