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Table 2 2D gamma analysis at the levels of diodes with two gamma criteria (3%/3 mm and 2%/2 mm) in absolute doses with a threshold of 5%

From: Comparison of dose calculations between pencil-beam and Monte Carlo algorithms of the iPlan RT in arc therapy using a homogenous phantom with 3DVH software

Gamma criteria

Gamma passing rate (%)

p value

PBC plan

MCC plan

 

3%/3 mm

88.50 ± 1.91

97.90 ± 1.21

0.043

2%/2 mm

72.07 ± 0.40

91.17 ± 0.12

0.046

  1. Abbreviations: PBC Pencil-beam calculation, MCC Monte Carlo calculation.
  2. The statistical significance between the pencil-beam calculation (PBC) and the Monte Carlo calculation (MCC) is calculated with the Mann–Whitney U-test. The dose was measured three times, and is shown as mean ± the standard deviation.
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Radiation Oncology

ISSN: 1748-717X

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