Parameters
|
Without (n = 40)
|
With (n = 32)
|
pvalue (95%CI)
|
ROC curve
|
---|
AUC
|
pvalue
|
---|
PTV (cm3)
|
103.8 ± 102.8
|
227.1 ± 193.5
|
0.004 (1.002-1.011)
|
0.741
|
<0.001
|
Mean dose of NTNL (Gy)
|
14.9 ± 4.1
|
20.2 ± 3.2
|
<0.001 (1.209-1.708)
|
0.839
|
<0.001
|
V5Gy
|
76.6 ± 17.5
|
91.2 ± 7.6
|
0.001 (1.040-1.153)
|
0.765
|
<0.001
|
V10Gy
|
57.1 ± 19.1
|
79.2 ± 10.7
|
<0.001 (1.048-1.140)
|
0.830
|
<0.001
|
*V15Gy
|
39.2 ± 14.8
|
61.3 ± 11.9
|
<0.001 (1.064-1.180)
|
0.863
|
<0.001
|
V20Gy
|
27.1 ± 11.0
|
44.0 ± 11.8
|
<0.001 (1.069-1.199)
|
0.852
|
<0.001
|
V25Gy
|
19.4 ± 8.6
|
30.5 ± 10.1
|
<0.001 (1.062-1.204)
|
0.804
|
<0.001
|
V30Gy
|
14.8 ± 7.6
|
21.6 ± 8.3
|
0.002 (1.040-1.187)
|
0.738
|
0.001
|
V35Gy
|
10.5 ± 6.2
|
15.4 ± 7.1
|
0.006 (1.033-1.205)
|
0.706
|
0.003
|
V40Gy
|
7.2 ± 5.1
|
9.9 ± 5.1
|
0.053 (0.999-1.190)
|
-
|
-
|
- Abbreviations: CI confidence interval; ROC receiver operating characteristic; AUC area under curve; PTV planning target volume; NTNL non-target normal liver.
- *Significant parameter on multivariate logistic regression analysis.