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PTV Coverage

Conventional

RapidArc

TM

Median D

2%

21.8Gy

(15Gy-22.4Gy)

21.8Gy

(21.5Gy-22.5Gy)

P=0.723

Median D

98%

15Gy

19.9Gy

P=<0.001

(0.8Gy-20.3Gy)

(12.2Gy-20.5Gy)

Conformity

Index

1.75

(0.9-2.7)

1.1

(0.97-1.2)

P=<0.001

Homogeneity

Index

0.33

(0.07-1.01)

0.09

(0.05-0.48)

P=<0.001