Skip to main content

Table 2 Dosimetric comparison of PTVp coverage (n = 16) (Avg ± STD and p values)

From: Dosimetric evaluation of VMAT and helical tomotherapy techniques comparing conventional volumes with clinical target volumes based on new ESTRO ACROP post-mastectomy with immediate implant reconstruction contouring guidelines

Metric

HTp

VMATp

Z

p value

Mean(SD)

Mean(SD)

PTVp-D98

46.90 (8.8)

46.92(7.79)

− 0.233

0.816

PTVp-D2

52.46 (5.92)

52.52(9.17)

− 0.621

0.535

PTVp-Vpres

45.9(14.1)

53.1(21,02)

− 0.569

0.569

PTVp-V95

95.7(0.004)

94.8(0.009)

0.000

0.999

HI (ICRU83)

0.11(0.02)

0.11(0.02)

− 0.724

0.469

CN

0.69(0.15)

0.79(0.12)

− 2.172

0.030*

  1. Results with statistical significance are shown in bolditalics
  2. Italics is used for general statistical results
  3. Z, Wilcoxon signed-rank test; Vpres, prescribed dose volume (%) inside of the PTV; Vx, volume (%) receiving x dose (Gy) or higher. Dx%, dose delivered to x% of the volume. SD, standard deviation; CN, conformity number; HI, homogeneity index
  4. *p < 0.05
Back to article page

Radiation Oncology

ISSN: 1748-717X

Contact us