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Table 2 Photon beam results from the EQUAL audits for non-standard conditions

From: Beam Output Audit results within the EORTC Radiation Oncology Group network

Cutoff level

Percentage depth dose (%)

Beam output variation open beams (%)

Beam output variation wedged beams (%)

Wedge transmission factor

<3%

242 (93%)

462 (93%)

84 (88%)

215 (95%)

3-5%

15 (7%)

29 (5%)

11 (12%)

11 (5%)

>5%

0 (0%)

2 (1%)

0 (0%)

0 (0%)

Total

257 (100%)

493 (100%)

95 (100%)

226 (100%)