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It is difficult to state what impact 11% less urea clearance may have on patients in relation to their morbidity and mortality.
Cr (week) 71.97 [+ or -] 25.41 62.35 [+ or -] 18.7 TBW 33.07 [+ or -] 6.91 33.8 [+ or -] 5.74 BSA 1.68 [+ or -] 0.2 1.71 [+ or -] 0.17 Peritoneal urea 54.83 [+ or -] 13.7 66.03 [+ or -] 11.79 clearance (week) Renal urea clearance 19.17 [+ or -] 18.7 6.39 [+ or -] 10.9 (week) nPCR 1.03 [+ or -] 0.2 1.06 [+ or -] 0.26 Total daily drainage 8.98 [+ or -] 2.4 10.95 [+ or -] 1.67 volume Total daily drainage 5.34 [+ or -] 1.23 6.42 [+ or -] 0.94 volume/[m.sup.2] BSA Variables P value Total Kt/V (week) NS Total C.
By measuring urea clearance (Kurea) in reversed and standard needle positions and entering the values through mathematical computations, access flow can be measured.
The recommended urea clearance target should be at least 2L/week, and the creatinine clearance target should be at least 60L/week in high and high average peritoneal transporters; and 50L/week in low average and low peritoneal transporters (Baxter HealthCare Corporation, 2006).
This requires a balance between objective (adequate urea clearance and ultrafiltration, anemia management, etc.) and subjective factors ("feeling healthy," "having energy").
Various factors can change the effectiveness of a given dialysis dosage, including diet, physical activity, residual urea clearance, and fistula efficiency.
Data for urine volume (UV), serum creatinine (SCr), total and residual creatinine clearance (Cr[Cl.sub.total] and Cr[Cl.sub.residual]), total and residual urea clearance (Kt/[V.sub.total] and Kt/[V.sub.residual]), and dry body weight were collected at baseline, six months and one year.