Table 3 Comparison of parameters to evaluate dose variation with in the target for photon and proton craniospinal irradiation (n = 18)
| CTV dosimetric parameters | Photons | Protons | P value, Wilcoxian Signed Rank test | Significance level | ||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||
| CI | 0.99 | 0.01 | 0.99 | 0.009 | 5.28E-01 | NS |
| HI | 1.05 | 0.009 | 1.04 | 0.012 | 2.47E-03 | <0.01 |
| Dmax | 28.13 | 15.21 | 26.05 | 7.868 | 1.96E-04 | <0.01 |