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Table 4 Multivariate analysis of factors associated with grade ≥ 3 RP

From: The risk and predictors for severe radiation pneumonitis in lung cancer patients treated with thoracic reirradiation

Variable

OR(95CI)

P value

Initial-MLD

14.515 (1.778–118.494)

0.013

Composite-V5

7.398 (1.319–41.495)

0.023

OverlapV5/ReV5

 

0.041

 0–0.4

5.564 (0.382–81.023)

0.209

 0.4–0.8

11.01 (1.71–70.881)

0.012

 0.8–1

1

 
  1. Abbreviations: RP radiation pneumonitis, Initial initial radiation plan, MLD mean lung dose, Composite composite plan, Overlap-V5/Re-V5 the overlap between V5 of initial RT and V5 of re-RT plans/V5 of re-RT plans, Vx percent volume of lung exposed to at least x Gy
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Radiation Oncology

ISSN: 1748-717X

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