Nephrology

Daugirdas Second-Generation Single-Pool Kt/V calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Predialysis blood urea nitrogen (mg/dL)

Postdialysis blood urea nitrogen (mg/dL)

Hemodialysis treatment duration (h)

Ultrafiltration volume (L)

Postdialysis body weight (kg)

Result

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Formula inputs

Predialysis blood urea nitrogen (mg/dL)Accepted range: 0.1 to 500
Postdialysis blood urea nitrogen (mg/dL)Accepted range: 0 to 500
Hemodialysis treatment duration (h)Accepted range: 0.1 to 24
Ultrafiltration volume (L)Accepted range: 0 to 20
Postdialysis body weight (kg)Accepted range: 0.1 to 500

Primary source

Daugirdas JT. Second generation logarithmic estimates of single-pool variable volume Kt/V: an analysis of error. J Am Soc Nephrol. DOI: 10.1681/ASN.V451205. PMID: 8305648. Scope: quantification of delivered intermittent hemodialysis dose using pre/post BUN, treatment time, ultrafiltration, and postdialysis weight. (1993)

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