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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