Table 1.
The mean, minimal and maximal value of the parameters for evaluation of PTV coverage and OARs constraints of all plans. Data analysis for comparison between manual plans and autoplans was done with paired two-tailed t-test. A p-value less than 0.05 was considered statistically significant
Manual | Auto | ||
---|---|---|---|
Parameter | Mean value ± SD [Min, Max] | Mean value ± SD [Min, Max] | p-value |
Body | |||
V110%[%] | 0.07 ± 0.29 [0.0, 2.15] | 0.03 ± 0.23 [0.0, 2.15] | 0.29 |
PTV | |||
V95%[%] | 98.5 ± 0.5 [96.7, 99.5] | 98.5 ± 0.6 [96.4, 99.9] | 0.40 |
Ipsilateral lung | |||
V16Gy[%] | 14.0 ± 3.6 [5.1, 28.3] | 13.3 ± 3.0 [4.3, 26.9] | < 0.01 |
Mean[Gy] | 6.6 ± 1.5 [3.0, 12.7] | 6.3 ± 1.2 [2.7, 10.9] | < 0.01 |
Heart | |||
V20Gy[%] | 0.90 ± 1.30 [0.0, 8.0] | 0.90 ± 1.10 [0.0, 4.4] | 0.79 |
Mean[Gy] | 1.4 ± 0.6 [0.5, 4.0] | 1.4 ± 0.6 [0.6, 3.3] | 0.30 |
Contralateral breast | |||
V5Gy[%] | 0.22 ± 1.29 [0.0, 10.40] | 0.46 ± 2.50 [0.0, 22.83] | 0.31 |
Max[Gy] | 3.5 ± 7.3 [0.2, 43.8] | 5.0 ± 8.7 [0.2, 44.6] | < 0.01 |
CI | 1.30 ± 0.09 [1.10, 1.63] | 1.24 ± 0.06 [1.14, 1.41] | < 0.01 |
HI | 1.08 ± 0.02 [1.05, 1.13] | 1.07 ± 0.02 [1.05, 1.13] | < 0.01 |
MU | 1205 ± 187 [775, 1650] | 1010 ± 46 [772, 1353] | < 0.01 |