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Table 5 Univariate and multivariate analysis for G2-G3 radiation induced skin reactions in 200 patients

From: Standard or hypofractionated radiotherapy in the postoperative treatment of breast cancer: a retrospective analysis of acute skin toxicity and dose inhomogeneities

Variables Univariate analysis Multivariate analysis
   P Odds ratio (95% CI) P
Chemotherapy Yes vs No 0.054 1.137 (0.531-2.433) 0.741
Hormone Therapy Yes vs No 0.401 1.230 (0.547-2.765) 0.616
Fractionation Schedule CF vs HS < 0.001 2.045 (0.996-4.197) 0.51
V > 107% Mean ± SD < 0.001 6.335 (3.192-12.577) < 0.001
Age Mean ± SD 0.004 0.973 (0.943-1.005) 0.101
Breast Volume Mean ± SD 0.011 1.001 (1.000-1.002) 0.076
  1. CI: confidence intervals; SD: standard deviation. CF: Conventional Fractionation;
  2. HS: Hypofractionated Schedule.
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