Normal Tissues Dynamic Static 5 levels Static 10 levels Static 20 levels
Bladder Dmax 102.3 ±3.2 105.0 ± 4.3
(0.015)
102.7 ± 4.0
(0.426)
102.1 ± 3.2
(0.180)
Dmean 70.1 ± 6.2 70.2 ± 6.4
(0.033)
70.4 ± 6.5
(0.060)
70.6 ± 6.4
(0.087)
D50 71.8 ±10.4 71.0 ± 10.3
(0.033)
71.4 ± 10.6
(0.037)
71.6 ± 10.4
(0.065)
Rectum Dmax 101.2 ± 3.5 102.9 ± 4.2
(0.019)
101.0 ± 3.4
(0.741)
101.0 ± 3.2
(0.591)
Dmean 79.8 ± 17.5 79.7 ± 18.1
(0.871)
79.6 ± 17.7
(0.345)
79.6 ± 17.6
(0.374)
D50 80.9 ± 17.8 80.6 ± 18.2
(0.659)
80.5 ± 18.0
(0.177)
80.8 ± 18
(0.582)
L femoral head Dmax 84.9 ± 13.6 84.4 ± 14.1
(0.671)
85.2 ± 13.6
(0.356)
84.9 ± 13.7
(0.912)
Dmean 42.3 ± 22.8 41.7 ± 23
(0.153)
42.2 ± 23.1
(0.374)
42.1 ± 23
(0.153)
D50 43.1 ± 24.1 42.5 ± 24.1
(0.326)
43 ± 24.4
(0.665)
42.8 ± 24.1
(0.195)
R femoral head Dmax 80.9 ± 16.5 80.0 ± 16.7
(0.070)
80.8 ± 17.1
(0.704)
80.5 ± 16.5
(0.088)
Dmean 41.9 ± 24.2 40.8 ± 23.5
(0.025)
41.4 ± 23.8
(0.030)
41.2 ± 24
(0.031)
D50 40.6 ± 26.5 39.5 ± 26.5
(0.021)
40 ± 26.4
(0.037)
40.1 ± 26.8
(0.054)
Values are mean (%) ± standard deviation, ( ) - p values, * - Statistically significant
Table 4: Normal tissue dose values for dynamic and static IMRT plans for cervix cancers.