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Table 6 Multivariate analysis for grades 3-4 late subcutaneous toxicity in the whole series of patients (n = 26)

From: Combined low initial DNA damage and high radiation-induced apoptosis confers clinical resistance to long-term toxicity in breast cancer patients treated with high-dose radiotherapy

  HR (95% CI) P
Whole series    
   Age 1.044 (0.986-1.106) 0.139
   Received dose 1.138 (1.003-1.291) 0.045
   Bra size 1.073 (1.004-1.147) 0.038
   Systemic treatment 1.155 (0.199-6.697) 0.873
   Low DSB-High RIA 1Gy 0.223 (0.073-0.678) 0.008
   Low DSB-High RIA 2Gy 0.206 (0.063-0.677) 0.009
   Low DSB-High RIA 8Gy 0.239 (0.062-0.929) 0.039
  1. Abbreviations: HR = hazard ratio; CI = confidence interval