651 / 1224
Indexes
DNR =
V
1.5PD
V
PD
•
Dose-Non-Uniformity Ratio
•
Independent of CTV-OAR
•
Lower DNR more homogeneous is
•
Also Dose-Homogeneity-Index
DHI =
V
PD
- V
1.5PD
V
PD
= 1 - DNR
PD
1.5 PD
2 PD
|
|
651 / 1224
Indexes
DNR =
V
1.5PD
V
PD
•
Dose-Non-Uniformity Ratio
•
Independent of CTV-OAR
•
Lower DNR more homogeneous is
•
Also Dose-Homogeneity-Index
DHI =
V
PD
- V
1.5PD
V
PD
= 1 - DNR
PD
1.5 PD
2 PD