Table 3. Comparison between iPlan-MIDCA and ABMP-SIDCA (Case 2).
Prescription: PTV D95%=100% dose (22 Gy), Leaf margin on iPlan-MIDCA: 1mm, No leaf margin function in ABMP-SIDCA, PTV=planned target volume (iPlan / ABMP), GTV=gross tumor volume, Vol.=volume (iPlan / ABMP), Cbll=cerebellar, Occip=occipital, Temp=temporal, Front=frontal, Pariet=parietal, rt=right, lt=left, v.=vermis
CI=conformity index, GI=gradient index=V[half of prescription dose] / V[prescription dose]
| PTV (1mm margin) | No. of arcs | PTV Max.Dose(Gy) | GTV Min.Dose(Gy) | CI 1/Paddick’s CI | GI V[1/2PresD] / V[PresD] | |||||||
| Location | Vol.(ml) | iPlan | ABMP | iPlan | ABMP | iPlan | ABMP | iPlan | ABMP | iPlan | ABMP | |
| 1 | Cbll (v.) | 0.2 / 0.2 | 4 | 5 | 23.3 | 25.7 | 22.5 | 24.2 | 2.0 | 2.2 | 4.5 | 3.8 |
| 2 | Occip (lt) | 0.3 / 0.2 | 4 | 5 | 23.4 | 25.2 | 22.7 | 24.3 | 1.7 | 2.0 | 3.5 | 5.7 |
| 3 | Temp (rt) | 0.5 / 0.6 | 4 | 5 | 23.3 | 25.6 | 22.5 | 24.0 | 1.8 | 1.9 | 3.5 | 3.3 |
| 4 | Temp (rt) | 0.2 / 0.1 | 4 | 5 | 23.2 | 26.0 | 22.6 | 25.0 | 2.0 | 2.4 | 3.5 | 4.3 |
| 5 | Occip (rt) | 0.3 / 0.3 | 4 | 4 | 23.8 | 26.3 | 22.6 | 23.9 | 2.3 | 2.2 | 3.7 | 3.4 |
| 6 | Front (lt) | 1.7 / 2.1 | 4 | 4 | 23.6 | 25.2 | 22.4 | 22.6 | 1.6 | 1.8 | 3.2 | 3.0 |
| 7 | Pariet (rt) | 0.2 / 0.1 | 4 | 5 | 24.3 | 25.6 | 22.7 | 24.5 | 2.8 | 2.3 | 4.8 | 5.1 |
| 8 | Pariet (rt) | 0.4 / 0.5 | 4 | 4 | 24.4 | 26.1 | 23.2 | 23.4 | 2.5 | 2.0 | 4.0 | 3.6 |
| 9 | Front (rt) | 0.3 / 0.2 | 4 | 4 | 23.3 | 26.4 | 22.5 | 24.0 | 2.2 | 2.7 | 4.2 | 4.5 |
| mean | 0.5 / 0.5 | 4 | 4.6 | 23.6 | 25.8 | 22.6 | 24.0 | 2.12 | 2.16 | 3.88 | 4.08 | |
| p=0.69 | p <0.001 | p <0.001 | p=0.60 | p=0.51 | ||||||||