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Table 1 Summary of the measurement results

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°