Dose Course 2018_Flipping book

Dose response of EBT2 films dependence on Beam modality and energy

Variation within ± 4.5% 1SD

RX from 75kV to 18MV Protons 100-250 MeV Electrons 6-20 MeV

RX from 100 keV to 25 MV [all published studies, up to 2016]

Variation <0.6% (1SD)

Figure from: Arjomandy et al. Med. Phys, 37(5), 2010