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. 2020 Feb 14;93(1107):20190920. doi: 10.1259/bjr.20190920

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).