PTV Dynamic Static 5 levels Static 10 levels Static 20 levels
Dmax 105.6 ± 1.3 110.1 ± 1.6
(0.005)*
106.0 ± 0.8
(0.089)
105.2 ± 1.07
(0.394)
Dmin 90.1 ± 5.1 87.8 ± 4.5
(0.013)
90.0 ± 4.9
(0.918)
90.3 ± 5.2
(0.397)
V95 99.5 ± 0.8 94.9 ± 2.5
(0.008)*
99.2 ± 0.8
(0.111)
99.50 ± 0.8
(0.755)
Homogeneity index 1.58 ± 0.19 3.0 ± 0.5
(0.002)*
1.9 ± 0.24
(0.029)
1.62 ± 0.17
(0.177)
Values are mean (%) ± standard deviation, ( ) - p values, * - Statistically significant
Table 5: Target dose values for dynamic and static IMRT plans for ca esophagus.