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Table 6 Summary of the average deviation (%) and distance to agreement (mm) from curve-quality metrics for cross-plane profiles (averaged over all depths: dmax, 5, and 10 cm)

From: Comparison of gamma index based on dosimetric error and clinically relevant dose–volume index based on three-dimensional dose prediction in breast intensity-modulated radiation therapy

field size

XiO

RayStation

central (%)

penumbra (mm)

out-of-field (%)

central (%)

penumbra (mm)

out-of-field (%)

2 cm

4.36 ± 4.10

0.97 ± 0.58

2.75 ± 2.39

1.20 ± 1.69

0.51 ± 0.15

0.47 ± 0.92

5 cm

1.27 ± 2.03

0.95 ± 0.63

2.21 ± 2.06

0.54 ± 1.23

0.52 ± 0.36

0.49 ± 0.59

10 cm

0.37 ± 0.51

0.51 ± 0.39

1.39 ± 1.00

0.49 ± 1.11

0.61 ± 0.45

0.57 ± 0.73

20 cm

0.34 ± 0.50

0.50 ± 0.28

1.52 ± 0.89

0.34 ± 0.66

0.82 ± 0.68

0.79 ± 0.88

  1. Square field sizes was 2, 5, 10, and 20 cm. Source-surface distance of all data was 100 cm. dmax: depth of dose maximum