Table 2 Patient-averaged values of field sizes according to the optimal collimator angles, and p values for one way analysis of variance (ANOVA) with Bonferroni multiple comparison test of the patient-averaged values of field sizes
From: Optimal collimator rotation based on the outline of multiple brain targets in VMAT
Std-VMAT | Colli-VMATPre (40°) | Colli-VMATPre (60°) | Colli-VMAT (40°) | Colli-VMAT (60°) | |
|---|---|---|---|---|---|
Average (cm2) | 143.6 ± 60.8 | 113.5 ± 49.7 | 114.8 ± 50.9 | 111.5 ± 48.8 | 115.1 ± 49.4 |
Bonferroni adjusted p-values | |||||
Colli-VMATPre (40°) | 0.001 | – | – | – | – |
Colli-VMATPre (60°) | 0.005 | – | – | – | – |
Colli-VMAT (40°) | 0.001 | 0.023 | 0.037 | – | |
Colli-VMAT (60°) | 0.002 | – | – | 0.015 | – |