Table 3.
Comparison between PSI-Plan and Eclipse™
| Parameter | PSI-Plan | Eclipse™ | p-value |
|---|---|---|---|
| Min (%) | 58.4 ± 21.2 | 63.4 ± 27.4 | 0.11 |
| Max (%) | 110.6 ± 4.6 | 108.2 ± 4.3 | <0.005 |
| Mean (%) | 99.6 ± 3.6 | 99.4 ± 3.5 | 0.56 |
| V95% (%) | 93.9 ± 6.2 | 97.4 ± 5.3 | <0.005 |
| HI (%) | 0.23 ± 0.16 | 0.14 ± 0.18 | <0.005 |
| CI (%) | 0.78 ± 0.12 | 0.74 ± 0.10 | <0.005 |
CI, conformity index; HI, homogeneity index; PSI, Paul Scherrer Institut; PTV, planning target volume.
Average values and respective standard deviations of the evaluated parameters for PTV as well as results from the t-test performed to assess statistical significance (paired-sample t-test).