MPPG 5.a. Test 7.3 (AAPM TG-119 tests): Gamma passing rate

Multitarget

Mock prostate

Mock head and neck

CShape (easier)

CShape (harder)

3%/3 mm

2%/2 mm

3%/3 mm

2%/2 mm

3%/3 mm

2%/2 mm

3%/3 mm

2%/2 mm

3%/3 mm

2%/2 mm

99.4%

97.3%

99.7%

98.9%

97.0%

88.2%

99.7%

98.7%

98.3%

96.3%

MPPG 5.a. Test 7.4 (clinical tests): Gamma passing rate

SRS (DCAT†)

SRS (VMAT‡)

SBRT (DCAT)

SBRT (VMAT)

2%/1 mm

1%/1 mm

2%/1 mm

1%/1 mm

2%/1 mm

1%/1 mm

2%/1 mm

1%/1 mm

99.7%

99.3%

96.1%

92.2%

100%

96.8%

98.2%

94.8%

MPPG 5.a. Test 7.5 (end-to-end testing): Ion chamber measurement result

SRS (VMAT)

SRS (CCAT* with a 17.5 mm cone)

0.20%

0.53%