Table 2 The dosimetric indexes comparison of PTV between Cyberknife and EDGE plans.

From: Dosimetric and radiobiological comparison of treatment plan between CyberKnife and EDGE in stereotactic body radiotherapy for pancreatic cancer

Metrics

CK + SD

Edge + SD

p

V100 (%)

96.8 ± 10.84

95.04 ± 0.03

0.000

Dmean (%)

123.91 ± 1.97

112.32 ± 3.39

0.000

D99 (%)

93.28 ± 2.53

97.13 ± 0.64

0.000

D95 (%)

102.92 ± 1.40

100.02 ± 0.01

0.000

D5 (%)

137.83 ± 2.30

125.40 ± 7.13

0.000

D1 (%)

139.42 ± 2.04

129.27 ± 7.42

0.000

CI

1.184 ± 0.076

0.986 ± 0.019

0.000

nCI

1.222 ± 0.072

1.037 ± 0.020

0.000

HI

0.416 ± 0.033

0.296 ± 0.077

0.000

GI

3.070 ± 0.222

4.145 ± 0.312

0.000

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