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Table 2 Summary of the GLAaS results: GAI values for different threshold criteria.

From: The GLAaS algorithm for portal dosimetry and quality assurance of RapidArc, an intensity modulated rotational therapy

Energy

GAI [%]

DTA, ΔD = 3 mm,2%

GAI [%]

DTA, ΔD = 3 mm,3%

GAI [%]

DTA, ΔD = 3 mm,4%

6 MV

93.4 ± 3.2

96.7 ± 1.2

98.3 ± 0.8

18 MV

90.1 ± 3.1

94.9 ± 1.3

97.3 ± 0.9