Table 2.
Analysis of pre-planning and intraoperative/post-plan parameters.
| Parameter | Planned | Intraoperative | Post-plan | p value |
|---|---|---|---|---|
| Depth of needle | 6.21 ± 0.24 | 6.23 ± 0.24 | 0.903 | |
| Angular of needle | 83.09 ± 3.66 | 83.14 ± 3.64 | 0.985 | |
| D90 | 160.0 ± 6.2 | 156.3 ± 9.1 | 0.515 | |
| D100 | 83.6 ± 7.1 | 80.8 ± 10.0 | 0.662 | |
| V100 | 19.4 ± 4.8 | 19.2 ± 4.9 | 0.958 | |
| V150 | 15.1 ± 3.8 | 14.6 ± 3.7 | 0.865 | |
| V200 | 9.9 ± 2.8 | 9.5 ± 2.8 | 0.872 | |
| CI | 0.52 ± 0.04 | 0.49 ± 0.04 | 0.278 | |
| EI | 0.91 ± 0.20 | 1.04 ± 0.25 | 0.456 | |
| HI | 0.31 ± 0.14 | 0.31 ± 0.15 | 0.989 |
Plus-minus data = mean ± 1.96 standard error; D90 and D100 refer to the dose delivered to the 90% or 100% of gross tumor volume and V100, V150, and V 200 refer to the percentage of gross tumor volume receiving 100% or 150% or 200% of prescription dose, respectively; CI, Conformity index; EI, External index; HI, Homogeneity index.