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Technical Considerations

QA

Long-term Output Stability (319 procedures over a 4.5-year period)

Percentage of measurements within +/- 3% and +/- 2%

from expected value

4 MeV 6 MeV 9 MeV 12 MeV

[-3%, 3%] 70,5 99,7 99,1 98,7

[-2%, 2%] 54,5 95,3 94,4 94,7