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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%)