Variable

Group A

Group B

PTV (cc)

Range

283 - 818

292 - 823

Median

574

581

Delivered dose dose (Gy)

Marginal

35.2 - 40.4

34.7 - 40.5

Maximal

61.8 - 67.1

59.7 - 68.5

Mean

48.2 - 51.8

46.2 - 53.4

Fractional

2.6 - 3.0

2.6 - 3.0

Dose-volume, %

P50

100

100

P60

76 - 95

67 - 89

P70

60 - 72

38 - 58

P80

25 - 42

15 - 34