BCRB 2018

Summary of useful formulæ

For interfraction intervals of 1 day or greater:

EQD2 = D d + α / β 2 + α / β ⎛ ⎝⎜ ⎞ ⎠⎟

BED = EQD0 = D 1 + d α / β ⎛ ⎝⎜ ⎞ ⎠⎟

And…

BED = EQD2 1 + 2 α / β ⎛ ⎝⎜ ⎞ ⎠⎟

EQD2 = BED 1 + 2 α / β ⎛ ⎝⎜ ⎞ ⎠⎟

Michael Joiner

Basic Clinical Radiobiology 2018

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