URR Calculator (Dialysis Adequacy)
URR = ((Pre‑dialysis BUN − Post‑dialysis BUN) / Pre‑dialysis BUN) × 100
Kt/V Calculator (Single Pool Daugirdas II)
Kt/V = −ln(R − 0.008 × t) + (4 − 3.5 × R) × UF/W
R = Post BUN / Pre BUN, t = dialysis time (hours), UF = ultrafiltration (L), W = post‑dialysis weight (kg)