Table 2 Evaluated dose parameters
From: Re-irradiation of spinal column metastases by IMRT: impact of setup errors on the dose distribution
Corrected | Uncorrected | t-test | ||||
|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | p value | ||
CTV | V 95% | 86.6 | 1.9 | 81.6 | 3.8 | 0.0036 |
D AVG | 98.9 | 0.3 | 98.4 | 1.2 | 0.3284 | |
D 99% | 79.6 | 2 | 78 | 1.5 | 0.0860 | |
D 01% | 104.8 | 0.7 | 104.3 | 1.4 | 0.3413 | |
H | 0.26 | 0.03 | 0.27 | 0.02 | 0.3383 | |
PTV | V 95% | 89.8 | 1.4 | 79.4 | 6.3 | 0.0007 |
D AVG | 99.6 | 0.2 | 97.7 | 1.2 | 0.0010 | |
D 99% | 80.4 | 1.7 | 76.4 | 3.5 | 0.0091 | |
D 01% | 105.3 | 0.7 | 103.8 | 1.4 | 0.0148 | |
H | 0.25 | 0.02 | 0.28 | 0.03 | 0.0329 | |
SC | (D 0.1ccm )% | 75.1 | 0.5 | 85.1 | 5.7 | 0.0005 |
(D 0.1ccm )Gy | 18.0 | 0.1 | 20.4 | 1.4 | 0.0005 | |
D 99% | 37.2 | 14.6 | 38.3 | 13.6 | 0.8731 | |
D AVG | 63.3 | 1.7 | 68.9 | 3.5 | 0.0008 | |
(V 75% )ccm | 0.1 | 0.0 | 3.7 | 3.6 | 0.0160 | |