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Table 1 Mean dose-spillage volume, normalized to PTV.p-values of the paired t-test included to assess difference between MLC systems.

From: Implications of a high-definition multileaf collimator (HD-MLC) on treatment planning techniques for stereotactic body radiation therapy (SBRT): a planning study

Technique

VHS

VIS

VLS

 

M120

HD120

M120

HD120

M120

HD120

IMRT

0.54 ± 0.30

0.50 ± 0.25

3.86 ± 1.38

3.66 ± 1.22

23.69 ± 9.21

23.14 ± 8.75

 

p = 0.07

p = 0.03

p = 0.08

3DCRT

0.47 ± 0.13

0.44 ± 0.10

4.08 ± 1.34

3.93 ± 1.12

23.64 ± 7.70

23.36 ± 7.70

 

p = 0.04

p = 0.24

p = 0.01

DCA

0.44 ± 0.13

0.43 ± 0.12

3.26 ± 0.61

3.19 ± 0.60

15.32 ± 4.36

14.76 ± 4.23

 

p = 0.34

p = 0.06

p = 0.03