CALCULATIONS - Ascend Reference Manual

Note nPNA calculation is only applicable to patients on thrice-weekly dialysis without significant residual function. nPNA calculated from Kt/V without formal kinetic modeling according to Depner T and Daugirdas J:JASN 1996:7:780-785. Urea Reduction Ratio (%) Calculation (1 – (Post BUN/Pre BUN)) x 100