The data for each level is shown in two formats: the individual data points are shown and the averages with error bars representing two standard deviations. The darker green area represents the Pass (Optimal) threshold and the lighter green is Pass (Action). The white area is Out of Tolerance.

Level I photons

Graph showing results of 642 measurements of photon beams from the level one audit. There are 319 measurements of 6 MV beams with a maximum of 3.9 % and a minimum of -4.1 % dose variation. There are 186 measurements of 10 MV beams with a maximum of 4.3 %

 

Graph showing results of 642 measurements of photon beams from the level one audit. The average of the 6 MV beams was 0.4 % with 2 sigma 2.7 %. The average of the 10 MV beams was 0.4 % with 2 sigma 2.9 %. The average of the 15 MV beams was -0.5% with 2 si

Level I electrons

Graph showing results of 1024 measurements of electron beams from the level one audit. There are 212 measurements of 6 MeV beams with a maximum of 8.0 % and a minimum of -5.9 % dose variation. There are 15 measurements of 8 MeV beams with a maximum of 2.8

 

Graph showing results of 1024 measurements of electron beams from the level one audit. The average of the 6 MeV beams was -0.1 % with 2 sigma 3.6 %. The average of the 8 MeV beams was -0.7 % with 2 sigma 4.2 %. The average of the 9 MeV beams was -0.2% wit

Level 1b photons

Graph showing results of 198 measurements of photon beams from the level one B audit. There are 74 measurements of 6 MV beams with a maximum of 1.4 % and a minimum of -1.3 % dose variation. There are 53 measurements of 10 MV beams with a maximum of 1.5 %

Level Ib electrons

Graph showing results of 328 measurements of electron beams from the level one audit. There are 7 measurements of 4 MeV beams with a maximum of 1.2 % and a minimum of -1.3 % dose variation. There are 67 measurements of 6 MeV beams with a maximum of 3.2 %

Graph showing results of 328 measurements of electron beams from the level one audit. The average of the 4 MeV beams was -0.4 % with 2 sigma 1.5 %. The average of the 6 MeV beams was 0.3 % with 2 sigma 2.3 %. The average of the 8 MeV beams was 0.6 % with

Level II 3DCRT

Graph showing individual data points representing the dose variation measured in cases 2 to 12 in all level 2 audits conducted to date

 

Australian Clinical Dosimetry Service, Medical radiation, Services, audit

Level III 3DCRT

Level 3 3DCRT

Level 3 IMRT

L3 IMRT

Level 3 VMAT

L3 VMAT

  

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