Table 1B: Target coverage parameters and Monitor Units (MU) needed for treatment. Target coverage is not compromised by DIBH-VMAT vs. VMAT in FB. Monitor Units needed are lower in A and B.

Technique Volume Volume PTV GTV PTV PTV PTV PTV Homogeneity Conformity Conformity Monitor
GTV [ml] D98% D98% D95% D50% D2% index1 index2 index3 Units
[ml] [Gy] [Gy] [Gy] [Gy] [Gy] (HI) (CI) , PIV98% (CI) , PIV95%
FB A 149 1156 44.2 41.1 42.6 45.2 47.4 0.15 0.81 0.89 641
DIBH A 154 827 44.7 41.7 42.8 45.4 46.8 0.12 0.83 0.89 468
FB B 155 471 39.1 37.4 38.3 39.8 41.0 0.09 0.86 0.89 435
DIBH B 153 468 41.6 37.6 38.3 39.7 39.7 0.05 0.87 0.91 412

PIV: Prescription Isodose Volume.