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Table 2 Dosimetric data for each patient for the IG-IMRT and IMRT cohorts, respectively, extracted from the treatment plan (“PLAN”) and including the simulation of the positioning uncertainty (“SIMULATION”)

From: Image-guided radiotherapy reduces the risk of under-dosing high-risk prostate cancer extra-capsular disease and improves biochemical control

Parameter

IG-IMRT

IMRT

p-value

(Mann-Whitney)

Min

25% quartile

Median

75% quartile

Max

Min

25% quartile

Median

75% quartile

Max

Rectal cross-section (cm2)

0.55

5.21

6.51

7.77

14.95

3.93

6.51

8.31

11.00

19.44

0.001

PLAN: Average dose to the CTV

83.29

87.10

88.17

88.52

89.80

85.58

87.77

88.54

89.22

91.24

0.008

PLAN: Average dose to the dorsal part of the PTV margin

79.48

80.73

83.36

84.20

86.77

76.43

79.89

81.46

83.33

87.03

0.005

SIMULATION: Expected dose to the whole CTV

83.25

87.03

88.12

88.46

89.70

84.26

86.51

87.24

88.26

90.07

0.039

SIMULATION: Variance of dose to whole CTV

0.24

0.29

0.34

0.38

0.74

1.55

2.16

2.48

2.88

3.89

0.000