A new homogeneity index definition for evaluation of radiotherapy plans

Proposes a new homogeneity index. Its introduction lists the indices in use — Dmax/Dp, D5/D95, (D2 − D98)/Dp and the ICRU Report 83 version (D2 − D98)/D50 — notes that lower values of the last two mean a more homogeneous dose, and that each is based on only two or three points of the DVH. Full text read in Europe PMC (PMC6839365).

Short, open-access summary of the homogeneity indices in use — including the ICRU Report 83 version, (D2% − D98%) / D50% — before proposing a new one.