Table 2 True and predicted values for PTV statistics, homogeneity, van’t Riet conformation number, and the high dose spillage, R50.

From: A feasibility study for predicting optimal radiation therapy dose distributions of prostate cancer patients from patient anatomy using deep learning

  PTV Statistics, van’t Riet Conformation Number, and Dose Spillage
mean value ± standard deviation
Cross-Validation Results Test Results
True Values Pred Values True - Pred True Values Pred Values True - Pred
PTV D98 0.98 ± 0.01 0.98 ± 0.01 −0.00 ± 0.01 0.98 ± 0.01 0.98 ± 0.01 0.00 ± 0.00
PTV D99 0.97 ± 0.01 0.97 ± 0.04 0.00 ± 0.04 0.96 ± 0.01 0.97 ± 0.01 0.00 ± 0.01
PTV Dmax 1.08 ± 0.02 1.08 ± 0.02 0.01 ± 0.02 1.08 ± 0.01 1.07 ± 0.02 0.01 ± 0.02
PTV Homogeneity 0.09 ± 0.02 0.08 ± 0.03 0.01 ± 0.02 0.09 ± 0.01 0.07 ± 0.02 0.01 ± 0.02
van’t Riet Conformation Number 0.88 ± 0.08 0.92 ± 0.04 −0.04 ± 0.05 0.91 ± 0.02 0.90 ± 0.03 0.00 ± 0.02
R50 4.45 ± 1.23 4.10 ± 1.14 0.35 ± 0.23 4.00 ± 0.37 3.98 ± 0.32 0.02 ± 0.21