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Table 6 Output factors for 6MV flattened and unflattened beams (reproduced with permission from MedEuropa)

From: Dosimetric characteristics of 6MV flattening filter free and flattened beams among beam-matched linacs: a three-institutional study

Beam type

Field size (cm2)

Output factor

Reference

Linac 1

Linac 2

Linac 3

6MV FFF

3 × 3

0.874

0.874

0.874

0.874

5 × 5

0.927

0.927

0.926

0.926

10 × 10

1

1

1

1

6MV

3 × 3

0.846

0.845

0.845

0.845

5 × 5

0.906

0.906

0.904

0.905

10 × 10

1

1

1

1

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Radiation Oncology

ISSN: 1748-717X

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