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Table 4 Mean values of the evaluated indices for all plans in both systems

From: Robotic radiosurgery versus micro-multileaf collimator: a dosimetric comparison for large or critically located arteriovenous malformations

System

HI

ΔHI (%)

CI

ΔCI (%)

CIL

ΔCIL(%)

GSI

ΔGSI (%)

CN

ΔCN (%)

Q

ΔQ (%)

CK

1.20

8.1

1.48

−20.43

0.70

16.60

26.38

−25.30

0.68

17.24

0.93

3.33

L-mMLC

1.11

1.86

0.60

35.32

0.58

0.90

P value

<0.05

 

<0.05

 

<0.05

 

0.26

 

<0.05

 

0.28

 
  1. CK-CyberKnife, L-mMLC – linac with micro-multileaf collimator, HI – homogeneity index, CI – conformity index, CIL – conformity index proposed by Lomax, GSI – gradient score index, CN – conformation number, Q – quality of coverage, Δ – improvement ratio of a given measure (%).
  2. Significant differences are marked with bold font.
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Radiation Oncology

ISSN: 1748-717X

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