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Table 3 Univariate analysis to determine factors associated with higher grade radiation- induced dermatitis for 158 irradiated patients

From: Predictive factors of radiation-induced skin toxicity in breast cancer patients

Variables P value   
Surgery type
(MRM versus BCS)
0.266   
Hormone therapy
(Yes versus no)
0.120   
PTV volume
(< = median versus > median)
0.112   
PTV-V107%
(< = median versus > median)
0.039   
TV-V110%
(< = median versus > median)
0.000   
Skin care
(prophylactic versus therapeutic)
0.048   
Multivariate analysis to determine factors associated with higher grade radiation- induced dermatitis for 158 irradiated patients
Variables Odd ratios 95%
confidence interval
p
Surgery type 1.4832 0.6449-3.4107 0.3536
PTV volume 1.0637 0.4846-2.3347 0.8776
PTV-V107% 0.8488 0.4014-1.7951 0.6680
TV-V110% 0.1037 0.0305-0.3528 0.0003
Skin care 1.8679 0.9025-3.8662 0.0923
  1. Abbreviation:
  2. MRM= modified radical mastectomy
  3. BCS= breast conservative surgery