Research Article

DVH Prediction for VMAT in NPC with GRU-RNN: An Improved Method by Considering Biological Effects

Table 1

A summary ( over ) and a comparison (patient-wise value over ) of prediction accuracy in maximum doses and EUDs for the 30 test patients. Prop was the results obtained by the proposed method, and Prev was the results obtained by the previous method.

OARs (Gy) value
PropPrevProp vs. Prev

Brainstem0.16
EUD<0.01
Spinal cord0.29
EUD<0.01
Optic chiasm0.57
EUD0.51
Optic nerves Lt0.27
EUD0.43
Optic nerves Rt0.37
EUD0.41
LarynxEUD0.22
Parotids LtEUD0.13
Parotids RtEUD0.37
Temporal lobes LtEUD<0.01
Temporal lobes RtEUD<0.01