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. Author manuscript; available in PMC: 2021 Sep 1.
Published in final edited form as: Med Phys. 2020 Aug 2;47(9):3898–3912. doi: 10.1002/mp.14374

Table 4:

Means and standard deviations (Mean ± SD) for clinical DVH metrics of ground truth (Pareto optimal) dose, predicted dose, absolute difference between the predicted dose and the ground truth, conformation, high dose spillage (R50) and homogeneity obtained from Model I and Model II.

Model I Model II Model I Model II
Pareto optimal dose Predicted dose Predicted dose |Predicted – Ground truth| |Predicted – Ground truth|
Mean ± SD Mean ± SD Mean ± SD Mean ± SD Mean ± SD
PTV D98 0.75±0.08 0.75±0.09 0.69±0.09 0.04±0.03 0.07±0.05
PTV D95 0.82±0.06 0.83±0.06 0.76±0.06 0.03± 0.03 0.07±0.05
PTV D50 0.99±0.01 0.99±0.01 0.90±0.03 0.01±0.01 0.08±0.02
PTV D2 1.02±0.04 1.03±0.04 0.96±0.02 0.01±0.01 0.06±0.05
Paddick Confirmation number 0.63±0.25 0.66±0.26 0.59±0.21 0.04±0.04 0.08±0.07
R50 5.2±1.3 5.0±1.4 5.4±1.2 0.33±0.23 0.63±0.55
PTV Homogeneity
0.29±0.11 0.29±0.12 0.30±0.10 0.04±0.04 0.06±0.05