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Table 2 Summary of dose coverage of the PTVs

From: Radiotherapy of nasopharyngeal cancer using Rapidarc: dosimetric study of military teaching hospital Mohamed V, Morocco

Target volume Parameter Objective Mean ± SD
PTV HR PTV HR (cm3)   241.11 ± 144.6
D2%   105.17 ± 2.32
D5%   104.6 ± 2.16
D95%   97.21 ± 1.5
D98%   94.74 ± 3.4
V95% (cm3)   236.32 ± 142.38
HI2 1 1.08 ± 0.02
HI5 1 1.08 ± 0.02
HI 0 0.08 ± 0.02
CI 1 0.98 ± 0.02
PTV IR VPTV IR (cm3)   488.51 ± 252.12
D2%   104.47 ± 2.2
D5%   103.8 ± 2.1
D95%   97.5 ± 3.3
D98%   95 ± 3.9
V95% (cm3)   316.35 ± 218.72
HI2 1 1.22 ± 0.05
HI5 1 1.18 ± 0.04
PTV LR VPTV LR (cm3)   667.15 ± 335
D2%   101.84 ± 7.08
D5%   100.89 ± 7.26
D95%   97.10 ± 6.86
D98%   92.67 ± 14.56
V95% (cm3)   269.17 ± 201.2
HI2 1 1.5 ± 0.81
HI5 1 1.3 ± 0.16