From: Accuracy of robotic patient positioners used in ion beam therapy
Room H1 | Room H2 | ||
---|---|---|---|
Number of setups | 512 | 506 | |
3d error | median | 0.38 mm | 0.28 mm |
0.95 quantile | 0.72 mm | 0.53 mm | |
maximum | 1.02 mm | 0.75 mm | |
2d error | median | 0.25 mm | 0.20 mm |
0.95 quantile | 0.50 mm | 0.43 mm | |
maximum | 0.66 mm | 0.62 mm | |
rotational error | isocentric mean | −0.007° | −0.006° |
isocentric standard deviation | 0.026° | 0.019° | |
pitch mean | −0.010° | −0.022° | |
pitch standard deviation | 0.020° | 0.014° | |
roll mean | −0.015° | −0.012° | |
roll standard deviation | 0.025° | 0.026° |