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Doubling Time, Doubling Rate & Progression Calculator

The Doubling Time, Doubling Rate & Progression Calculator can be used for the following purposes:

    1. Calculation of tumor marker – doubling time and doubling rate.
      To calculate tumor marker – doubling time and doubling rate with the data of serial measurements of a serum tumor marker.
    2. Calculation of tumor volume – doubling time and doubling rate
      To calculate tumor volume – doubling time and doubling rate with the data of serial measurements of tumor sizes.
    3. Estimation of time for progression
      To estimate the time (T) for a tumor with a known doubling time (DT) or doubling rate (DR) of size A to grow to size B.
      If you input DT or DR, A, and B, the calculator gives T.
    4. Estimation of progression over time
      To estimate the time D after a given time (T) of a tumor of size C with a known doubling time (DT) or doubling rate (DR).
    5. If you input DT or DR, C, and T, the calculator gives D.

ATTENTION

In order to use this calculator for clinical practice, please read the Commentary on Doubling Time and Estimation of Tumor Progression carefully. The present creators of the Doubling Time, Doubling Rate & Progression Calculator are not responsible to the calculation results or any outcomes of their clinical applications. Only persons who agree on issue can use this calculator.

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