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Table 4 Mean number of monitor units (within one standard deviation) necessary to deliver one centigray of prescribed dose for different treatment plan categories.

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

Technique IMRT 3DCRT DCA
  M120 HD120 M120 HD120 M120 HD120
MU/cGy
(μ ± σ)
3.45 ± 1.06 3.63 ± 1.36 2.25 ± 0.54 2.26 ± 0.54 2.24 ± 0.54 2.28 ± 0.56
  p = 0.17 p = 0.80 P = 0.18