Table 2 Technical characteristics of RapidArc plans
From: Early clinical experience of radiotherapy of prostate cancer with volumetric modulated arc therapy
RA | |
|---|---|
Number of arcs | 1 |
Arc length [°] | 358 ± 0.0 |
Beam energy | 6 MV (45/45) |
Beam on time [min] | 1.24 ± 0.0 |
MU | 477 ± 73 |
MU/Gy | 239 ± 37 |
MU/deg | 1.3 ± 0.2 |
Average Dose Rate [MU/min] | 383 ± 55 |
Gantry speed [deg/sec] | 4.8 ± 0.0 |
Collimator angle [°] | 24 ± 9 |
Mean CP area [cm 2 ] | 29 ± 6 |
Mean field area [cm 2 ] | 121 ± 25 |
GAI [%] | 98.1 ± 1.1 |