| |
Small bowel
|
Rectum
|
Bladder
|
|---|
| |
PP
|
SP
|
PP
|
SP
|
PP
|
SP
|
|---|
|
Volume (cc)
|
1686.1 ± 368.7*
|
1250.6 ± 283.0
|
96.8 ± 34.9
|
71.2 ± 18.2
|
137.0 ± 93.4
|
143.9 ± 98.3
|
|
D mean (Gy)
|
25.9 ± 3*
|
30.5 ± 4.5
|
40.3 ± 12.5
|
39.2 ± 3.5
|
43.1 ± 2.8
|
44.2 ± 2.7
|
|
V10 (%)
|
91.5 ± 4.7
|
92.0 ± 10.5
|
98.6 ± 2.1
|
88.5 ± 6.6 *
|
100.0 ± 0
|
99.9 ± 0.4
|
|
V20 (%)
|
60.4 ± 11.0 *
|
76.4 ± 15.1
|
97.6 ± 2.9
|
85.2 ± 7.2 *
|
99.1 ± 1.9
|
98.8 ± 3.7
|
|
V30 (%)
|
32.7 ± 9.5 *
|
50.4 ± 13.9
|
96.5 ± 3.7
|
81.9 ± 7 *
|
92.1 ± 7.9
|
95.5 ± 7.4
|
|
V40 (%)
|
18.2 ± 5.8 *
|
28.4 ± 7.8
|
79.4 ± 11.2
|
69.5 ± 8.9 *
|
72.3 ± 15.0
|
77.4 ± 14.6
|
|
V45 (%)
|
13.7 ± 4.5 *
|
20.3 7 ± 5.5
|
61.3 ± 15.3
|
54.6 ± 12.7
|
53.3 ± 12.8
|
56.7 ± 15.0
|
|
V50.4 (%)
|
2.5 ± 1.2 *
|
4.0 ± 1.1
|
4.2 ± 4
|
4.6 ± 8.3
|
4.0 ± 4.6*
|
12.9 ± 16.1
|
- Summary of DVH statistics for SB, rectum, bladder in PP and SP for both IMRT plans, mean values ± STD. * p ≤ 0.05 Wilcoxon signed rank test (exact) SPSS V15.
