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Table 2 Dosimetric parameters for PTV

From: Optimal dose limitation strategy for bone marrow sparing in intensity-modulated radiotherapy of cervical cancer

Parameters

IMRT (N)

IMRT (BM)

IMRT (OC)

IMRT (OC + LS)

Dmin (Gy)

46.13 ± 1.79

44.28 ± 1.80*

43.77 ± 2.23*

42.70 ± 2.03*†

Dmax (Gy)

53.78 ± 0.28

54.25 ± 0.36*

54.45 ± 0.38*

54.92 ± 0.40*†

Dmean (Gy)

51.59 ± 0.10

51.68 ± 0.07*

51.65 ± 0.07*

51.71 ± 0.09*

CI

0.87 ± 0.02

0.89 ± 0.01*

0.88 ± 0.02†

0.87 ± 0.02†

HI

0.06 ± 0.00

0.06 ± 0.00*

0.06 ± 0.00*

0.07 ± 0.00*†

  1. Abbreviations: HI Homogeneity index, CI Conformity index, Dmin the minimum dose, Dmax the maximum dose, Dmean the mean dose, IMRT (N) without bone marrow as avoidance structures, IMRT (BM) whole bone marrow as avoidance structures, IMRT (OC) os coxae as avoidance structures, IMRT (OC + LS) both os coxae and lumbosacral spine as avoidance structures
  2. *p value < 0.05 while comparing IMRT (N) plan with other three plans
  3. †p value < 0.05 while comparing IMRT (BM) plan with IMRT (OC) and IMRT (OC + LS) plans, respectively
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Radiation Oncology

ISSN: 1748-717X

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